LONDON Agents for Britain's MI5 intelligence service have discovered that Muslim doctors trained at some of Britain's leading teaching hospitals have returned to their own countries to fit surgical implants filled with explosives, ....

Women suicide bombers recruited by al-Qaida are known to have had the explosives inserted in their breasts under techniques similar to breast enhancing surgery. The lethal explosives usually PETN are inserted during the operation inside the plastic shapes. The breast is then sewn up.
Similar surgery has been performed on male suicide bombers. In their cases, the explosives are inserted in the appendix area or in a buttock. Both are parts of the body that diabetics use to inject themselves with their prescribed drugs.