it was established that cholelithiasis ( without cholecystectomy or contracted gallbladder ) occurred significantly more frequently ( 24.9 % ) in patients with colonic carcinoma than in the control group ( 15.3 % ) or the gastric carcinoma group ( 12.6 % ) ( p less than 0.001 ) .
C0008320
cholecystectomy
C0016976
gallbladder