Over 6lbs (nearly 3kg) of screws, metal nuts, keys, plaques and ‘other metal parts’ as well as stones were eventually found in the patient’s stomach according to Iranian medics who treated him. Over 6lbs (nearly 3kg) of screws, metal nuts, keys, plaques and ‘other metal parts’ as well as stones were eventually found in the patient’s stomach according to Iranian medics who treated him.