7. Melanoma
Most skin cancers usually have this symptom in most patients these days. This melanoma can be very serious and deadly, especially when this symptom is not treated immediately. This symptom usually occurs on the appearance of a mole and also pigmented area. When the mole changes in shape, color, or size, you should be very careful with the skin cancer. You need to meet your doctor immediately when you notice some of these changes. You also need to be careful when the melanoma has irregular edges, asymmetrical shape, large size, brown color, bleeding area, and some other common characteristics.
