They typically feel firm and hard. If your tumor is benign, it won’t require treatment, but if it is malignant, it will need to be surgically moved. Finding a lump under your skin can be ...

You should make an appointment with your doctor if you feel a mass (or bump) in your forearm or hand. One type of common benign (non-cancerous) tumor is called a ganglion cyst (also known as a bible ...