BRCA1 and ovarian cancer: The cancer risks and spectra appear to differ between BRCA1 and BRCA2 carriers; specifically, the risk for ovarian cancer in BRCA1 carriers is higher than BRCA2 carriers2,7,17, and the risks for pancreatic and prostate cancers in BRCA2 carriers may be higher than BRCA1 carriers7,9–11,18.