With two types, small cell and non-small cell, Lung Cancer needs to be taken very seriously.

Unfortunately Lung Cancer symptoms are often not prevalent in the early stages. Persistent intense coughing, chest, shoulder, and back pain unrelated to the cough; blood or rust colored sputum (spit), changes in your voice and hoarseness, and recurring lung illnesses are all signs of lung cancer that help identify the disease.

You can read more about lung cancer at these reputable sites: