During Which Surgeries Would It Be Reasonable for a Physician

During which surgeries would it be reasonable for a physician to remove the organ mentioned without specific consent?

A) The physician removes an ovary that contains several cysts instead of removing the cysts alone.
B) The physician finds an unexpected blood clot and removes it during heart surgery.
C) The physician removes a uterus that is full of fibroid tumors.
D) The physician notices a sebaceous cyst when removing suspicious moles from the surface of the skin and removes the cyst at the same time.