Commonest type of Anal canal Ca is -: (A) Sq. cell Ca, (B) Adeno Ca, (C) Adenoacanthoma, (D) Papillary type
Answer is A. 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*.