noun
surgical operation; incision surgery
Medical term for a surgical procedure involving cutting open the body; often used in contexts like 切開手術を行う (perform an incision surgery).
医師は緊急の切開手術を行った。
The doctor performed an emergency surgical operation.
手術 is a general term for surgery, while 切開手術 specifically refers to surgery involving an incision.
Compound of 切開 (incision) and 手術 (surgery).