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Abstract Background: Hepatoid adenocarcinoma (HAC) is a rare extrahepatic tumor. The most common origin of HAC was the stomach (63%). HACs originating from the colon or rectum are rare. Case presentation: We present a case of an 84-year-old Chinese woman diagnosed with a giant hepatoid adenocarcinoma with chief complaint of a large abdominal mass. A plain CT scan of the region showed an irregularly thickened transverse colon wall with a length of approximately 15 cm in the intestine. The patient underwent an extended right hemicolectomy and partial small intestinal resection. The patient successfully recovered and was discharged. Conclusion: HACs are less likely to occur in the colorectum. We recommend that surgeons intervene aggressively if the patient’s condition permits.
Lin et al. (Thu,) studied this question.