Ntchito endoscopically molumikizana ndi monopolar electrosurgical panopa kupeza m`mimba mucosal minofu biopsies ndi kuchotsa sessile polyps.Catheter yatsopano yokonzedwa kuti ipititse patsogolo luso lodutsa mu anatomy yovutaMakapu osiyanasiyana opangidwira osiyanasiyana mucosa/submucosa