Colonoscopic Polypectomy
Surgical field — Colonoscopic view. This is the Colonoscopic view of a sessile sigmoid colon adenomatous polyp.
Endoscopic Submucosal Disection
Endoscopic Submucosal Disection via working chanells of surgical endoscopes.
Gastric Ulcer
Endoscopic field—Flexible Endoscopic view of a big gastric ulcer near the Pylorus. Gastric ulcer [asterisk]; Pylorus(arrow).