수술한

who had surgery, operated on

→ 수술하다
수술 surgery, operation + 한 do or perform
verb · informal, past tense Rare #26,219
who had surgery, operated on Usually means that the person had surgery; the exact meaning depends on context.
KO: 수술한 친구가 오늘 퇴원해요.
EN: My friend who had surgery is being discharged today.

수술한 거 아니고?

Didn't you have surgery?

— 귀향 (2006)

다 수술한 애들은 일이 없어

None of the people who’ve had surgery have any work.

— 내 어머니의 모든 것 (1999)