Key Takeaways
- In 2023, an estimated 297,790 new cases of prostate cancer are expected to be diagnosed in American men
- Breast cancer accounts for about 30% of all new cancer cases in women in the US annually
- The lifetime risk of a man developing prostate cancer is about 1 in 8 in the United States
- In 2023, prostate cancer caused 34,700 deaths in US men
- Breast cancer mortality in US women is 19.4 per 100,000, down 43% since 1989
- Globally, 685,000 breast cancer deaths occurred in 2020
- Age is the strongest risk factor for prostate cancer, with 60% of cases over age 65
- Family history increases breast cancer risk 2-3 fold if first-degree relative affected
- African American men have 70% higher prostate cancer risk than other races
- Mammography screening reduces breast cancer mortality by 20-40% in women 40-74
- PSA testing detects 80% of prostate cancers but 50% are indolent
- Digital mammography sensitivity for breast cancer is 85-90%
- Active surveillance for low-risk prostate cancer avoids treatment in 50% at 5 years
- Neoadjuvant chemotherapy improves breast cancer pCR rate to 50% in HER2+
- Radical prostatectomy 10-year biochemical recurrence-free survival 75% for low-risk
Prostate and breast cancer are both highly prevalent but have seen declining mortality rates.
Diagnosis and Screening
- Mammography screening reduces breast cancer mortality by 20-40% in women 40-74
- PSA testing detects 80% of prostate cancers but 50% are indolent
- Digital mammography sensitivity for breast cancer is 85-90%
- MRI screening in high-risk women detects 14.7 cancers per 1,000 vs 5.4 for mammography
- Prostate biopsy detects cancer in 40-50% of men with elevated PSA
- 3D mammography reduces recall rates by 15% and increases cancer detection by 24%
- Free PSA under 10% has 56% chance of prostate cancer on biopsy
- Ultrasound-guided biopsy for prostate has 30-40% false negative rate
- Breast self-exam detects 20% of cancers but specificity is low at 90%
- 4Kscore test predicts high-grade prostate cancer with 0.38% risk threshold AUC 0.82
- Tomosynthesis mammography detects 1.1 more invasive cancers per 1,000 screens
- PHI score over 35 predicts prostate cancer with 33% risk
- Clinical breast exam sensitivity is 45-60% for detecting lumps
- Multiparametric MRI for prostate has 89% sensitivity for clinically significant cancer
- Gail model predicts 5-year breast cancer risk with AUC 0.67
- PCA3 urine test specificity 69% for prostate cancer detection
- Contrast-enhanced mammography improves specificity to 91% vs 79% digital
- SelectMDx urine test reduces unnecessary biopsies by 50%
- Risk-based screening starts mammography at age 40 for high-risk women
- PSMA PET/CT detects metastases in 76% of high-risk prostate cancer
- BI-RADS category 4 breast lesions have 2-95% malignancy risk
- ExoDx Prostate test AUC 0.73 for high-grade cancer prediction
- Annual screening mammography from 40-74 reduces mortality 41%
- MRI fusion biopsy increases prostate cancer detection by 30%
- Tyrer-Cuzick model AUC 0.72 for breast cancer risk assessment
- ConfirmMDx test specificity 90% for ruling out prostate cancer
- Automated breast ultrasound detects 2.6 additional cancers per 1,000
- Prostate Health Index (phi) reduces biopsies by 30% at cutoff 25
Diagnosis and Screening Interpretation
Incidence and Prevalence
- In 2023, an estimated 297,790 new cases of prostate cancer are expected to be diagnosed in American men
- Breast cancer accounts for about 30% of all new cancer cases in women in the US annually
- The lifetime risk of a man developing prostate cancer is about 1 in 8 in the United States
- Approximately 2.3 million new cases of breast cancer were diagnosed worldwide in 2020
- Prostate cancer is the second most common cancer diagnosed in American men after skin cancer
- Breast cancer incidence rates in US women have been stable since 2012 at around 128 new cases per 100,000 women
- In 2020, prostate cancer was the most frequently diagnosed cancer in 112 countries worldwide
- White women have a slightly higher breast cancer incidence rate of 130 per 100,000 compared to 122 for Black women
- The age-adjusted incidence rate for prostate cancer in the US was 109.3 per 100,000 men in 2019
- Globally, breast cancer represents 11.7% of all cancer cases in 2020
- Localized prostate cancer accounts for 78% of all new prostate cancer diagnoses in the US
- In situ breast cancer incidence has increased to 28 per 100,000 women due to mammography screening
- Prostate cancer incidence peaks in men aged 65-74 at 461 per 100,000 in the US
- Asian/Pacific Islander women have the lowest breast cancer incidence rate at 95 per 100,000 in the US
- In Europe, prostate cancer incidence rates vary from 29 to 162 per 100,000 men
- Breast cancer is the most common cancer in women in 159 countries globally
- US men aged 50-69 have a prostate cancer incidence of 250 per 100,000
- Regional stage breast cancer incidence is 36 per 100,000 US women
- Prostate cancer prevalence in US men over 65 is about 11.1%
- Distant metastatic breast cancer incidence is 7 per 100,000 women in the US
- In Australia, prostate cancer incidence is 144 per 100,000 men
- Hispanic women have breast cancer incidence of 92 per 100,000 in the US
- Prostate cancer diagnosed at age 45-54 has incidence of 66 per 100,000 US men
- Breast cancer in men accounts for less than 1% of all cases, with about 2,800 new cases yearly in US
- UK prostate cancer incidence is 152 per 100,000 men standardized rate
- Breast cancer incidence in India is rising at 2.5% annually
- Prostate cancer in Black men has incidence 1.7 times higher than white men at 169 vs 99 per 100,000
- Early-onset breast cancer under age 50 increased 1.4% per year from 2012-2016
- Prostate cancer regional stage incidence is 20% of cases in US
- Breast cancer prevalence in US women is over 4 million survivors
Incidence and Prevalence Interpretation
Mortality Rates
- In 2023, prostate cancer caused 34,700 deaths in US men
- Breast cancer mortality in US women is 19.4 per 100,000, down 43% since 1989
- Globally, 685,000 breast cancer deaths occurred in 2020
- Prostate cancer mortality rate in US Black men is 2.1 times higher than white men at 39.8 vs 18.9 per 100,000
- US breast cancer deaths total 42,170 in 2023
- Prostate cancer is the second leading cause of cancer death in US men
- Breast cancer mortality declined 40% from 1989 to 2020 in US
- In 2020, prostate cancer caused 375,304 deaths worldwide
- Late-stage breast cancer diagnosis leads to 32% mortality rate vs 2% for localized
- Prostate cancer age-adjusted mortality in US was 19 per 100,000 men in 2020
- Breast cancer is responsible for 6.9% of all cancer deaths globally
- Distant stage prostate cancer has 30% 5-year mortality
- Breast cancer mortality in women under 50 has decreased 4% per year since 2013
- Prostate cancer mortality in Europe averages 20 per 100,000 men
- Black women have 40% higher breast cancer mortality than white women at 27.4 vs 19.5 per 100,000
- Prostate cancer deaths in men over 75 account for 50% of total US deaths
- Triple-negative breast cancer has 18% 5-year mortality rate
- Regional prostate cancer mortality is low at 7% 5-year rate
- Breast cancer mortality in Asia is lower at 12 per 100,000 vs 27 in Americas
- US prostate cancer mortality declined 52% from 1993 peak to 2020
- Inflammatory breast cancer has 41% 5-year mortality
- Prostate cancer in Australia causes 3,490 deaths yearly at 24 per 100,000
- Male breast cancer mortality is 0.9 per 100,000 men
- UK prostate cancer mortality is 27 per 100,000 men
- Breast cancer deaths in India projected to rise 30% by 2025
- Localized breast cancer mortality is 1% at 5 years
- Prostate cancer mortality in Hispanic men is 18 per 100,000
Mortality Rates Interpretation
Risk Factors and Prevention
- Age is the strongest risk factor for prostate cancer, with 60% of cases over age 65
- Family history increases breast cancer risk 2-3 fold if first-degree relative affected
- African American men have 70% higher prostate cancer risk than other races
- Obesity increases postmenopausal breast cancer risk by 20-40%
- BRCA1 mutation carriers have 55-72% lifetime prostate cancer risk
- Alcohol consumption raises breast cancer risk by 7-10% per daily drink
- Smoking is linked to 20-30% increased fatal prostate cancer risk
- Dense breast tissue increases breast cancer risk 4-6 times
- Vasectomy may increase prostate cancer risk by 10-20% per meta-analysis
- Hormone replacement therapy post-menopause raises breast cancer risk 26%
- Diet high in red meat increases prostate cancer risk by 12%
- Physical inactivity boosts breast cancer risk by 20-30%
- Lynch syndrome elevates prostate cancer risk to 15-30%
- Early menarche before age 12 increases breast cancer risk 40%
- Dairy consumption over 3 servings daily linked to 60% higher lethal prostate cancer
- Nulliparity raises breast cancer risk 30%
- Statin use may reduce advanced prostate cancer risk by 20%
- Radiation exposure increases breast cancer risk 1.5-2 fold
- Metabolic syndrome raises prostate cancer risk 35%
- Late age at first birth over 30 increases breast cancer risk 15%
- Finasteride reduces low-grade prostate cancer risk by 25% but increases high-grade
- Oral contraceptives slightly increase breast cancer risk by 20% during use
- Aspirin use lowers prostate cancer risk by 10-30%
- Ashkenazi Jewish women have 10-fold higher BRCA1/2 mutation risk for breast cancer
- Vitamin E supplements increase prostate cancer risk by 17%
- Breastfeeding for 12+ months reduces breast cancer risk 4.3%
- Shift work disrupting circadian rhythms raises breast cancer risk 30%
- 5-alpha reductase inhibitors reduce prostate cancer incidence by 25%
Risk Factors and Prevention Interpretation
Survival and Prognosis
- 5-year survival for localized prostate cancer is 100%
- Breast cancer 5-year relative survival overall is 91% in US
- Regional prostate cancer 5-year survival 100%, distant 32%
- Localized breast cancer 5-year survival 99.3%, regional 86.4%
- 10-year prostate cancer survival 98% overall
- HR+ HER2- breast cancer 10-year survival 84%
- Low-risk prostate cancer 15-year cancer-specific survival 97%
- Triple-negative breast cancer 5-year survival 77%
- Gleason 6 prostate cancer 20-year metastasis-free survival 90%
- Inflammatory breast cancer 5-year survival 41%
- High-risk prostate cancer post-RP 10-year survival 88%
- Male breast cancer 5-year survival 88.9%
- Metastatic prostate cancer median survival 42 months with novel agents
- Stage I breast cancer 10-year survival 88-98%
- Black men prostate cancer 5-year survival 78% vs 92% white
- ER+ breast cancer survival improved 34% 2000-2020
- Node-positive breast cancer 5-year survival 86%
- Prostate cancer active surveillance 10-year metastasis rate 12%
- De novo metastatic breast cancer median OS 31 months
- Gleason 8-10 prostate cancer 5-year survival 28% distant stage
- Postmenopausal breast cancer survival 93% early stage
- PSADT <3 months prostate cancer predicts 24-month survival 20%
- BRCA2 mutated breast cancer 5-year survival 80%
- Oligometastatic prostate cancer 5-year survival 60% with metastasis-directed therapy
- Luminal A breast cancer 97% 5-year survival
- 20-year prostate cancer survival 80% for intermediate risk
- Recurrent breast cancer 5-year survival 25% if distant
- Visceral metastasis breast cancer OS 15 months
- Low-volume mHSPC prostate cancer 5-year survival 80% with ADT+docetaxel
Survival and Prognosis Interpretation
Treatment and Outcomes
- Active surveillance for low-risk prostate cancer avoids treatment in 50% at 5 years
- Neoadjuvant chemotherapy improves breast cancer pCR rate to 50% in HER2+
- Radical prostatectomy 10-year biochemical recurrence-free survival 75% for low-risk
- Radiation therapy after lumpectomy reduces breast recurrence to 0.5-1% yearly
- ADT plus radiation improves prostate cancer survival by 12% at 15 years
- Trastuzumab reduces breast cancer recurrence by 50% in HER2+ patients
- Brachytherapy for prostate cancer has 90% 5-year freedom from progression
- Endocrine therapy reduces breast cancer mortality by 30% in ER+
- SBRT for prostate cancer achieves 95% 5-year biochemical control
- Mastectomy recurrence rate is 5-10% at 10 years for early breast cancer
- Enzalutamide extends prostate cancer survival 4.8 months in mCRPC
- CDK4/6 inhibitors plus ET improve PFS to 25 months in HR+ breast cancer
- HIFU for prostate cancer has 80% cancer-free rate at 5 years focal therapy
- Neoadjuvant pertuzumab boosts pCR to 61.6% in HER2+ breast cancer
- Salvage prostatectomy success 60% for biochemical recurrence after RT
- Abemaciclib reduces breast cancer recurrence risk 30% in high-risk HR+
- Proton therapy for prostate cancer has 99% 5-year survival low toxicity
- Bilateral mastectomy reduces contralateral breast cancer risk 90-95%
- Apalutamide delays metastasis by 2 years in nmCRPC prostate cancer
- Pembrolizumab improves OS 13% in triple-negative breast cancer PD-L1+
- Cryotherapy for prostate cancer 90% success in low-risk at 3 years
- Accelerated partial breast irradiation 98% local control at 5 years
- Darolutamide improves MFS 59% HR in nmCRPC prostate cancer
- Sacituzumab govitecan OS 12.1 months in pretreated TNBC
- Focal laser ablation prostate cancer 89% success at 1 year
- Hypofractionated RT breast cancer non-inferior DFS 88.3% vs 87.7%
- Olaparib PFS 7 months in BRCA+ mCRPC prostate cancer
- T-DM1 OS 30.9 months in residual HER2+ breast cancer
Treatment and Outcomes Interpretation
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