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