1. A medical procedure performed by a surgeon to treat, repair, or remove diseased or damaged tissue or organs
The patient underwent a surgical operation to remove the tumor.
O paciente foi submetido a uma operação cirúrgica para remover o tumor.
2. Any invasive medical intervention requiring incision or manipulation of body tissues
The surgical operation was successful and the patient recovered well.
A operação cirúrgica foi bem-sucedida e o paciente se recuperou bem.