ABSTRACT
The melanoma is in situ, meaning that it involves the epidermis but has not spread to the dermis (lower layer). This is also called Clark level I.
• Stage LA: T la , NO, MO The melanoma is less than 1.0 mm in thickness and Clark level II or III. It is not ulcerated, appears to be localised in the skin, and has not been found in lymph nodes or distant organs.
