Malignant disease of the laryngopharynx and upper oesophagus as a regional problem.
D004938:Esophageal Neoplasms; D006801:Humans; D007013:Hypopharynx; D009369:Neoplasms; D010610:Pharyngeal Neoplasms; D010614:Pharynx
ESOPHAGUS/neoplasms; PHARYNX/neoplasms