See the horrible-looking bladder stone doctors extracted from a man

A 63 year old man was in considerable pain until doctors extracted this bladder stone from his urinary tract. The image was posted to Figure 1, a website where doctors around the world share medical images and canvass colleagues' opinion, by Dr Oktay Ozman, a Urologist at the Cerrahpaşa Medical Faculty in Istanbul. Bladder stones form when when the bladder isn't fully emptied and according to a