Rare pathological types—complex small cell lung cancer

摘要

With the accelerated pace of modern life, lung cancer has become a common and multiple malignant tumor. According to the latest global cancer statistics report in 2019, lung cancer is the malignant tumor with the highest incidence in the world [1] and one of the main causes of death of cancer patients. In our country, the situation of lung cancer is also not optimistic, and the overall incidence rate ranks first [2].