12. A red, sore, or swollen breast
Indicates inflammatory breast cancer, unexplained changes should be told to a doctor immediately. A nipple that appears flattened, inverted, or turned sideways has also been noticed by patients diagnosed with breast cancer.
13. Swelling of facial features
Lung cancer patients have reported noticing puffiness, swelling, or redness of the face. Small cell lung tumors commonly block blood vessels in the chest preventing blood from flowing freely to the head.
