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Lung Cancer (May 2014)

The World Health Organization (WHO) classifies lung cancer into 2 major categories based on histology, prognosis, and treatment: non-small cell lung cancer (NSCLC) and small cell lung cancer (SCLC).

Lung cancer remains the leading cause of cancer-related mortality in the United States, despite decreases in lung cancer mortality rates beginning in 1991 for the male population and decreases beginning in 2003 for female population.