#8 – Nodes – Knots – Lumps
Many cancers can be felt through the skin. Since tumors are mutating body cells, they might form knots or lumps under the skin. These cancers occur mostly in the breast, testicles and lymph nodes. When you have knots that don’t go away by themselves, it should be reported to a doctor. However, not every lump is dangerous. You can find more about different types of lumps from the source.