The highest numbers of BRCA1/2-defective tumors (class H1a BA/HM) were available for OV (n = 113), BRCA (n = 60), UCEC (n = 14), TGCT (n = 14) and LUSC (n = 10), while less than ten BRCA1/2-defective tumors were at hand for all other cancer types. The gene discussed is BRCA1; the disease is cancer.