Post cricoid cancer.
D000328:Adult; D000367:Age Factors; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010610:Pharyngeal Neoplasms / Q000150:complications / Q000000981:diagnostic imaging / Q000453:epidemiology / Q000401:mortality / Q000532:radiotherapy; D011859:Radiography; D012737:Sex Factors