noun
distal gastrectomy
Medical term for surgical removal of the lower part of the stomach.
幽門側胃切除術は、胃の下部を切除する手術です。
Distal gastrectomy is a surgery to remove the lower part of the stomach.
Compound of 幽門 (pylorus), 側 (side), 胃 (stomach), 切除 (excision), and 術 (technique/surgery).