Answer:
The answer to this question is 2. Melanomas are rare but must be removed quickly to prevent them from metastasizing
Explanation:
Melanoma is a type of skin cancer. It is not the most common, but it is the most serious, as it often spreads. When this happens, it can be difficult to treat, and the outlook may be poor.
Hence the answer is 2. Melanomas are rare but must be removed quickly to prevent them from metastasizing