Answer
Since he was exposed to the sun frequently and got tanned frequently, he might have developed skin cancer. Rapidly growing moles also suggest malignant melanoma. ABCDE is a rule that can be used to diagnose melanoma.
Work Step by Step
The American Cancer Society has suggested the ABCDE rule to examine and diagnose melanoma. The ABCDE rule has the following steps:
1. Asymmetry: The lesions have an asymmetric shape.
2. Border irregularity: The borders of lesions are rough and irregular.
3. Color: Lesions contain different colors like black, brown, red etc.
4. Diameter: Diameter of a lesion is larger than 6mm.
5. Evolution: The above characteristics of a lesion evolves overtime and changes.
