Please explain further as I can not answer this question without something to pick from.
Answer:
What does SCC look like? SCCs can appear as scaly red patches, open sores, rough, thickened or wart-like skin, or raised growths with a central depression. At times, SCCs may crust over, itch or bleed. The lesions most commonly arise in sun-exposed areas of the body.
Explanation:
Because it can catch another germ or virus
The sun because when it has sun waves it radiated yur skin to others who sleep in sun cuses cancer on your skull