According to the "2020 World Cancer Statistics", there were 2,200,000 new cases of lung cancer and 1,800,000 deaths worldwide, making lung cancer the second most morbid and lethal malignancy in the world (1 ).
According to the 2020 world cancer statistics, 2200000 new lung cancer cases have been reported worldwide and 1800000 patients have died. These make lung cancer the leading cause of cancer incidence rate and mortality rate in the world, second (1).
According to the "World Cancer Statistics in 2020", there are 2,200,000 new cases of lung cancer worldwide, and 1,800,000 patients died, which makes lung cancer the second most common malignant tumor in the world (1).