case_images: PMC5788954_01
case_images: Local examination of the patient showing anorectal stenosis.
case_images: pghn-21-72-g001.jpg
case_images: PMC5788954_01_pghn-21-72-g001.jpg
case_images: F1
case_images: Per rectal examination revealed tight anal stenosis (Fig. 1).
case_images: Computed tomography scan of the patient showing circumferential rectum thickening with frozen pelvis.
case_images: pghn-21-72-g002.jpg
case_images: PMC5788954_01_pghn-21-72-g002.jpg
case_images: F2
case_images: CA 19-9) were raised. CT abdomen showed circumferential thickened rectum with frozen pelvis suggestive of malignancy (Fig. 2).
case_images: High power view (H&E, x400) showing the malignant cells with mucin within.
case_images: pghn-21-72-g003.jpg
case_images: PMC5788954_01_pghn-21-72-g003.jpg
case_images: F3
case_images: Repeat colonoscopic biopsy from the rectum revealed highly undifferentiated mucinous adenocarcinoma of rectum (Fig. 3).