<prompt> Common carcinoma of upper 13 oesophagus:AdenocarcinomaSquamousSquamo columnarMelanoma  <response>: Ans. b Squamous cell carcinomaRef: Bailey and love 26th Edition, Page 1004 Most common type of cancer in upper 23rd is squamous cell carcinoma. Most common type of cancer in lower third is adenocarcinoma Most common type in the world, India: Squamous cell cancer Most common type in western countries: Adenocarcinoma 