Troops from 11th Explosive Ordnance Disposal Regiment rushed to the Gloucestershire Royal Hospital after being notified by police 'that a patient had presented with a munition in his rectum'.
The man was said to be a military enthusiast who found the shell while clearing out, but somehow 'tripped' and fell onto the 57mm piece of army ordnance.
The mortar round was used by the Royal Artillery in the Second World War as anti-tank rounds, though it would later also be used by British tanks in North Africa.
These rounds measure at 57mm (2.2 inches) in diameter and an eye-watering 170mm (6.7 inches) in length.
A spokesperson for Gloucestershire Hospitals NHS Foundation Trust said: "We can confirm that the police and Explosive Ordnance Disposal team (EOD) attended Gloucestershire Royal Hospital yesterday
Bomb squad scrambled to A&E after mortar shell gets stuck in man's bottom - Manchester Evening News
Makes you wonder what *really* happened to those war vets who came back with shell-shock. No wonder they don't like to talk about it.