[Tax-chick]

Large tumors often do not produce any externally visible bulge, they often displace or partially crush internal organs. Interesting. I've often wondered how someone could not notice a basketball-sized tumor, for example.

[Pontiac]

I've often wondered how someone could not notice a basketball-sized tumor, for example.

If you think about your anatomy for a moment you will remember that muscles cover all of your internal organs keeping them inside your body.

So if a tumor is internal to those muscles it too will be kept in proximity to your internal organs. The muscles will press the growing tumor in to the space occupied by your organs displacing them from their normal position eventually crushing them. Often it is the lungs that are crushed because they are the least substantial being bags of air.

People usually think of a tumor making someone fat. But fat is subcutaneous (under the skin) and outside of the muscle envelope. Of course there