Development of carcinoma in retro-pharyngeal diverticulae.
D000368:Aged; D000369:Aged, 80 and over; D002294:Carcinoma, Squamous Cell / Q000209:etiology*; D004240:Diverticulum / Q000000981:diagnostic imaging* / Q000601:surgery; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010608:Pharyngeal Diseases / Q000000981:diagnostic imaging* / Q000601:surgery; D010610:Pharyngeal Neoplasms / Q000209:etiology*; D011230:Precancerous Conditions / Q000601:surgery; D011859:Radiography