Achalasia is associated with increased risk of ...... malignancy:: (A) Squamous cell carcinoma esophagus, (B) Adenocarcinoma esophagus, (C) Bronchogenic carcinoma, (D) Bronchial adenoma
Answer is A. Prolonged stasis esophagitis in achalasia is the likely explanation for the association between achalasia and esophageal squamous cell cancer. Squamous cell cancer esophagus risk is increased 17-fold in achalasia cardia. Ref: Harrison, Edition-18, Page-2432