case_images: PMC9979862_01
case_images: Sigmoid lesion almost obstructing the lumen
case_images: cureus-0015-00000034445-i01.jpg
case_images: PMC9979862_01_cureus-0015-00000034445-i01.jpg
case_images: FIG1
case_images: Colonoscopy revealed a large polypoid mass of the sigmoid colon (30 cm away from the anal verge), obstructing the lumen (Figure 1).
case_images: CT scan revealing distended colonic (sigmoid) loops
case_images: cureus-0015-00000034445-i02.jpg
case_images: PMC9979862_01_cureus-0015-00000034445-i02.jpg
case_images: FIG2
case_images: Computed tomography of the abdomen showed the lesion of the sigmoid colon and many enlarged lymph nodes alongside the left common iliac artery (Figures 2, 3).
case_images: CT scan revealing distended loops and a mass almost obstructing the lumen
case_images: cureus-0015-00000034445-i03.jpg
case_images: PMC9979862_01_cureus-0015-00000034445-i03.jpg
case_images: FIG3
case_images: Computed tomography of the abdomen showed the lesion of the sigmoid colon and many enlarged lymph nodes alongside the left common iliac artery (Figures 2, 3).
case_images: CT scan revealing a distended gallbladder with pericholecystic edema and a large gallstone
case_images: cureus-0015-00000034445-i04.jpg
case_images: PMC9979862_01_cureus-0015-00000034445-i04.jpg
case_images: FIG4
case_images: It also revealed a gallbladder with signs of inflammation and a 2.2-cm gallstone (Figure 4).
case_images: (A) Moderately differentiated adenocarcinoma of the sigmoid colon. (B) Poorly differentiated adenocarcinoma of the gallbladder
case_images: cureus-0015-00000034445-i05.jpg
case_images: PMC9979862_01_cureus-0015-00000034445-i05.jpg
case_images: FIG5
case_images: Gallbladder histopathology revealed poorly differentiated adenocarcinoma, invading the adventitia with no lymph node involvement (stage pT2bN0) (Figure 5).