the clinical diagnoses in decreasing order of frequency include condyloma acuminata , hemorrhoids , nonspecific proctitis , anal fistula , perirectal abscess , anal fissure , amebiasis , benign polyps , viral hepatitis , gonorrhea , syphilis , anorectal trauma and foreign bodies , shigellosis , rectal ulcers and lymphogranuloma venereum .
C0043251
trauma
C0016542
foreign bodies