Skin Cancer
To dream of skin cancer represents an inability to feel good enjoying yourself again in some manner. Fearing that your ability to feel good is cut off and can only get worse.
A problem may have been created in your life due to too much enjoyment or freedom. Living with the consequences of having enjoyed yourself too much. Caution, anxiety, or careful avoidance of pleasure because you may have abused certain behavior to the point of causing a noticeable problem.
Feeling embarrassed into a conservative moderate mindset after first being rebellious or carefree to you heart's content.