In terms of stratification by gender, more than two thirds (69%) of all female cancer survivors have a history of breast (41%), gynecological (17%) or colorectal 11%) cancer. For male survivors, two thirds (66%) have a history of prostate (39%), other genitourinary (such as testicular or renal) (14%) or colorectal (13%) cancer. (All percentages are based on SEER January 1998 prevalence estimatesapplied to January 1998 U.S. census population estimates, yielding 7.4 million individuals diagnosed with invasive or first
primary cancer) (3).