Answer:Answer: 2. All new growths and pigmentations must be biopsied to rule out cancer
Explanation: it is difficult to see how an atypical mole differs from a normal mole. These warning signs require the expertise of a dermatologist who is to determine whether a pigmented lesion or new growths are atypical moles or melenomas, and this is done by biopsy.
Step-by-step explanation: