surgery

Surgery refers to a branch of medical practice that involves operations performed on patients to treat injuries, diseases, or deformities. It is derived from the Middle English word 'cirurgie', from Old French 'chirurgie', and ultimately from Greek 'cheirourgia', which means 'the work of the hand'. Surgery is essential for various medical interventions, including operations, procedures, and interventions.

• She had to undergo surgery to remove her appendix. — 彼女は虫垂を取り除くために 手術を受けなければならなかった。
• The doctor explained that the surgery would take about two hours. — 医者は、手術が約2時間かかると説明した。
• Advancements in surgery have significantly reduced recovery times. — 外科手術の進歩は回復時間を大幅に短縮した。