Viral verrucae in the anorectum:  with consideration of the cancer problem.
D001003:Anal Canal; D001005:Anus Neoplasms; D006801:Humans; D009369:Neoplasms; D012004:Rectal Neoplasms; D012007:Rectum; D014860:Warts
ANUS/neoplasms; RECTUM/neoplasms; VERRUCA