Seborrheic keratosis are non-cancerous growths. They are usually brown but can differ from light-weight brown to black. They vary in dimension from a number of millimeters to larger sized than ten millimeters in diameter. Their main function would be the waxy, “pasted-on” or “stuck-on” visual appearance. four. Functional Impairment – https://www.sgvascularctr.com/understanding-benign-tumor-treatment-options/