IFOS 2022 World Congress of Oto-Rhino-Laryngology

Adenocarcinoma adenoma anatomy bleeding cancer colon colonoscopy duodenum echocardiography emr endoscopy ent atlas ent images esophagus gastroscopy GIST hernia Histopathology hysterectomy laparoscopy neurosurgery polyp polypectomy rectum resection robotic surgery stomach TUMOR ulcer varices