Nail in Knee - Update

There is no nail in my knee.

Here is the X-ray:




See the little fine wire in the lower right of each image (click on the image to make it larger)? that is a piece of wire of unknown origin lodged in my calf. This doesn't eliminate the alien tracking device, but I think polonium pellet is ruled out.

The knee pain is just some random injury I must have incurred recently. Nothing serious. It will probably eventually go away.