Patients with pulmonary malignant tumors receiving platinum-containing chemotherapy regimen were included in the retrospective and prospective bidirectional cohort study to collect the basic information of the subjects, including gender, age, smoking history, primary site, basic liver and kidney function, chemotherapy regimen, etc. The polymorphisms of glutathione S transferase (GSTP1 A313G) were detected by Sanger dideoxy termination sequencing. To study the risk factors related to myelosuppression during chemotherapy, and to preliminarily explore the characteristics of myelosuppression caused by combination chemotherapy with platinum.
