Inflammatory and neoplastic diseases of the anal and perianal regions.
Oh
C
C
D001003:Anal Canal / Q000473:pathology; D001005:Anus Neoplasms / Q000175:diagnosis* / Q000209:etiology / Q000473:pathology; D003937:Diagnosis, Differential; D006801:Humans; D009092:Mucous Membrane / Q000473:pathology; D011349:Proctitis / Q000175:diagnosis* / Q000209:etiology / Q000473:pathology