They can feel firm or soft. Benign masses are more likely to be painful to the touch, such as with an abscess. Benign tumors also tend to grow more slowly, and many are smaller than 5 cm (2 inches) at their longest point. Sarcomas (cancerous growths) more often are painless.

What does a squishy lump mean?

Feels like: A soft, movable bump just under your skin that's not painful when touched. Could be: A lipoma, a benign tumor in the fat cells under the skin. Lipomas can pop up anywhere on the body, but they're seen most commonly on the torso and neck.

Are tumors rubbery?

Desmoid tumors typically are a single, firm but rubbery mass, much like scar tissue. The slowly growing mass forms in the body's connective tissue — often in the arms, legs or trunk, and sometimes in the abdomen or thorax (rib cage).