Dr. Zhang Chenghai

E lelei o ia i le laparotomy ma le laparoscopic minimally invasive treatment o tumo gastrointestinal ma tumo o le manava, aemaise lava le laparoscopic radical gastrectomy (D2 lymph node dissection), laparoscopic distal gastrectomy, laparoscopic proximal gastrectomy, laparoscopic radical resection o le kanesa o le colon taumatau, laparoscopic radical resection o le kanesa o le colon tauagavale, laparoscopic radical resection o le kanesa o le colon descending, laparoscopic radical resection o le kanesa o le rectal (sphincter-preserving surgery po'o le Miles operation), laparoscopic multiple primary gastrointestinal cancer, radical resection o le kanesa o le colon tele ma le togafitiga fa'apitoa o tumo stromal gastrointestinal.