Overview of the initial treatment and prognosis of lung cancer - UpToDate
INTRODUCTION Worldwide, lung cancer caused an estimated 1.8 million deaths in 2020 [1]. In the United States, there are over 230,000 new cases of lung cancer and 130,000 deaths annually [2]. However, survival after diagnosis has been improving, likely due to screening and treatment advances (eg, targeted therapy and immunotherapy) [3]. Around 1953, lung cancer became the most common cause of cancer deaths in men. In 1985 it became the leading cause of cancer deaths in women, and now causes approximately twice as many deaths as breast cancer. Overall, lung cancer causes more deaths than breast, prostate, colorectal, and brain cancers combined [2]. There is good news that lung cancer deaths are declining in males and females, largely due to decreases in smoking. Now, however, an equal number of new cases are occurring in women and men, and nearly one-half of all lung cancer deaths occur in women [4]. (See "Women and lung cancer".) The term lung cancer, or bronchogenic carcinoma, refers t
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