Though it can take several hours, Mohs surgery is an outpatient procedure. Typically, surgery starts in the morning and is completed the same day. The tissue surrounding the cancer is removed, layer by layer. A temporary bandage is placed on your incision. The bulk of the procedure is waiting for the surgeon to examine the removed tissue. The surgeon takes this tissue to the laboratory for analysis and examines them with a microscope. The tumor is mapped and if a small area of cancer is found in one piece of tissue, the surgeon knows precisely where to continue with the surgery. This is repeated until all of the cancer is removed. The benefit of Mohs surgery is you know the same day that your cancer has been removed and minimal sacrifice of surrounding tissue.