Rare tumors of the pharynx and esophagus.
D000328:Adult; D000368:Aged; D004938:Esophageal Neoplasms / Q000473:pathology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009303:Nasopharyngeal Neoplasms / Q000473:pathology*; D010610:Pharyngeal Neoplasms / Q000473:pathology*