tumor can be harmless (benign). Or it can be cancer (malignant). To know which kind
tumor it is, a small piece of it can be taken out during surgery and checked in a
This way, the surgeon finds out if the tumor is cancer during the surgery. This helps
the surgeon decide how much tissue to remove. Then a second surgery isn't needed.
Tissue is taken out until no cancer cells are seen in the margins
(edges) of the tumor. This helps the surgeon remove all the cancer cells in that
This makes it less likely that the cancer will come back there.
Frozen section can be very useful when removing a skin tumor. It
allows the surgeon to remove the changed tissue until it's gone, and leave more healthy
tissue in place.