After spending years on a "carnivore diet," a man from Tampa, Florida, developed yellowish nodules on his hands, elbows ...

Dermatofibromas are hard brown or red lumps under the skin. They usually develop on exposed areas of skin, such as the legs, arms, and back. Dermatofibromas do not develop into cancer. In general ...

On the other hand, tender lumps in the groin can also ... Over time, this accumulation creates a round, firm lump under the ...