Fa'aoga endoscopically fa'atasi ma monopolar electrosurgical current e maua mai ai biopsies gastrointestinal mucosal tissue ma mo le aveesea o polyps sessile. catheter fou ua mamanuina e faʻaleleia atili ai le lelei mo le pasi atu i totonu o le tino Ipu eseese ua fuafuaina mo mucosa eseese / submucosa
