Nodular fasciitis is a fast-growing lump in your soft tissue. It’s not clear why you get it, but it’s not cancerous. It's sometimes called pseudosarcomatous fasciitis, proliferative fasciitis, or ...
Nodular fasciitis is a rare, noncancerous tumor. It can appear in soft tissue anywhere on your body. Nodular fasciitis mimics malignant (cancerous) tumors, which makes it a challenge to diagnose.