Surgery The most common site of carcinoma esophagus is: A Upper 1/3 of esophagus B Middle 1/3 of esophagus C Lower 1/3 of esophagus D Gastroesophageal junction 💡 Explanation The most common site of carcinoma esophagus is: ✓ Correct Answer: C. Lower 1/3 of esophagus