He looks at you for a while, then smiles. Then he starts laughing, and laughing and laughing. Soon he is on the floor with tears streaming down his face. 'Oh Oh, stop it's hurting my sides' he says between giggling uncontrollably.

Some of the radiographers come in to see what the noise is. 'I only asked for a CT of the whole cervical spine and he...'. But it's too late, they're all bent double laughing and giggling. It's just like when you were at school and you forgot to put on your swimming costume before going to the pool.