Surgery General 0bb42e67 Commonest type of Anal canal Ca is - A Sq. cell Ca B Adeno Ca C Adenoacanthoma D Papillary type High-Yield Explanation Mainly 3 types of malignant neoplasm are seen in anal canal Squamous cell Ca (MC) Basal cell Ca (IInd mc) Melanoma Remember MC type of rectal & colon Ca → Adenocarcinoma*.