Seborrheic keratosis are non-cancerous growths. They are usually brown but can vary from mild brown to black. They range in sizing from a couple of millimeters to bigger than ten millimeters in diameter. Their major feature could be the waxy, “pasted-on” or “caught-on” physical appearance. The information on this website https://mariopnicw.wikicommunication.com/5537070/helping_the_others_realize_the_advantages_of_benign_vascular_tumor_treatment_singapore