A doctor shows a 4-inch (10-centimeter) knife which has been removed from the skull of Li Fuyan against the x-ray scan at the People's Hospital in Yuxi in southwest China's Yunnan province. Surgeons in southern China successfully removed a rusty, 4-inch (10-centimeter) knife from the skull of a man who said it had been stuck in there for four years, the hospital said Friday. (AP Photo)

Question: Wouldn't you suspect that something's wrong if you had a 4-inch knife blade in your head?