Sporting clays is a refreshing change from the predictability of skeet and the limited variability that the game of trap offers (44 degrees side to side, 5 set positions, 8-12 foot throw height, 16 yd line, etc).
Lipomas are benign fatty growths that do not grow quickly, but of course they must grow from somewhere, so they do grow. If a lipoma is small, does not show without touching it, and is not painful, I recommend generally leaving it alone.
A lipoma is a growth which is composed of fatty tissue. Lipomas can appear on most parts of the body and are very common. Although it is indeed true that many providers can feel a lipoma, which tends to feel rubbery, and can make the diagnosis of lipoma, there is no way to be 100% sure without a biopsy. Lymph nodes harboring lymphoma tend to be firmer.