In the period before the introduction of colorectal ESD, EMR using a snare with submucosal injection had ... defined as a lesion with even or uneven nodules on the surface, and the non-granular ...
Colonoscopic examination at that time indicated a submucosal tumor (SMT), 15 mm in diameter, in the ascending colon near Bauhin's valve. Hemangioma was suspected. She was then admitted to our ...