Unusual contractions of the lower oesophagus in post-cricoid carcinoma.
D004931:Esophageal Achalasia / Q000209:etiology*; D004938:Esophageal Neoplasms; D006801:Humans; D007817:Laryngeal Cartilages; D007822:Laryngeal Neoplasms; D009369:Neoplasms
CARDIOSPASM/etiology and pathogenesis; ESOPHAGUS/neoplasms; LARYNGEAL CARTILAGES/neoplasms