<prompt> What is most common type of carcinoma of the right colonStenosingUlcerativeTubularFungating  <response>: .Annular stenosing type: It is more common on left side. Here the growth spreads round the internal wall and so it often presents with intestinal obstruction. Ulcerative type: It is common on right side. Proliferative type: Common in right side. It is fleshy, bulky and polypoid. It is less malignant. ref:SRB;s manual of surgery,ed 3,pg no 835 