<prompt> Commonest type of ca gallbladder with gall stones is:AdenocarcinomaAnaplastic carcinomaSq. cell carcinomaTransitional cell ca  <response>: Ans. is a ie Adenocarcinoma almost 70 90 according to Sabiston of ca G.R. are associated with gall stones.Pathological types of G.B. carcinomaAdenocarcinoma90Undifferentiated ca7Squamous cell ca3Now its very easy to decide the commonest type of ca G.B. associated with Gall stones. 