What Has to Be Known About Lung Cancer?

What Has to Be Known About Lung 

Cancer?

source: medscape

Lung cancer is one of the most commonly diagnosed types of cancer affecting close to 2 million people every year worldwide, and killing approximately 75% of those who have are affected. Although studies have proven that there has been a decrease in incidence of lung cancer cases since the mid 1980’s, present epidemiology is still alarming.