All melanomas are associated with an initial tumor, but sometimes the location is difficult to ascertain.
Ask the Expert
While skin cancers are less commonly diagnosed in areas that are normally shielded from the sun, they can and do develop there.
Although a skin exam with your primary care physician (PCP) can be a starting point in evaluating your skin for cancer, a dermatologist is the expert.
Does a sunscreen stay effective after its expiration date?
One in five Americans will develop skin cancer by the age of 70. We spoke to an expert to better understand where most skin cancers are found.
Moles can develop at any age. However, it is more common to develop moles as a child.
Both a precancer and an atypical mole may look unusual, but each has unique characteristics. An expert explains the differences.