So-called "rejection" is really manifested by capsule contracture (which can also be caused by a post-op bleed or infection). The rate of capsule contracture can run as low as less than 5%, but can vary from surgeon to surgeon. The true cause of this complication is not fully understood.
Risks of anesthesia are extremely low. In over 30 years of practice, performing surgery in a hospital associated outpatient surgery center with the best equipment, excellent board certified anesthesiologists, and multiple operating rooms (with lots of personnel about), I have never experienced a
deathDiscussing death with children
Gangrene
Liver cell death
Loss of a child - resources
Sudden infant death syndrome or significant anesthesia complication.