A 40-year-old male Chinese patient presented with abdominal distension over 1 month.
Conventional colonoscopy showed a 0-Isp+ IIc polyp with 1.5 cm in size at transcending …

The patient underwent a new colonoscopy and a flat lesion with central depression, with no
lift-sign, was seen (Fig. 1A and B). Thus, endoscopic resection was not performed. New …

A 63-year-old female presented to our hospital for further management of a rectum lateral
spreading lesion discovered by colonoscopy for fecal occult blood survey. Conventional …

A 59-year-old Caucasian man was admitted in our hospital for abdominal pain and weight
loss. Abdominal ultrasound revealed hepatic lesions suggestive for metastasis. Therefore …

This article has an accompanying continuing medical education activity, also eligible for
MOC credit, on page e18. Learning Objective: Upon completion of this CME activity …

Question: A 43-year-old woman, with an unremarkable medical history, was admitted for
chronic diarrhea. Colonoscopy was performed to evaluate the diarrhea. Perianal …

A 64-year-old male having experienced upper abdominal discomfort for 2 weeks underwent
esophagogastroduodenoscopy (EGD) at a local hospital, which revealed a cardiac mass in …

A26-year-old man with 9 years of ulcerative colitis presented with fever, weight loss, and a 6-
cm retroperitoneal mass located adjacent to the transverse colon that was detected by a …

A 56-year-old man presented with a change in bowel habit to seven loose non-bloody stools
a day. He had previously had a sigmoid resection for an endoscopic diagnosis of colonic …

Colorectal de novo cancer usually arises from a superficial depressed type (types 0–IIc)
lesion. 4 Pathologic features of the present case showed nonpolypoid growth, which …