This multicenter, retrospective cohort study plans to enroll patients with lung adenocarcinoma who received neoadjuvant immunotherapy prior to surgery and did not achieve pathological complete response (non-pCR) upon postoperative pathological evaluation. Using Deoxyribonucleic Acid(DNA) and Ribonucleic Acid(RNA) next-generation sequencing (NGS), the investigators aim to detect driver genetic alterations to investigate the real-world frequency of driver gene positivity in postoperative samples from patients with lung adenocarcinoma-whose EGFR and ALK status had been previously excluded via pathological complete response(pCR) or DNA-based next-generation sequencing-yet still did not attain pathological complete response(pCR) after neoadjuvant immunotherapy. Additionally, the study will characterize the driver-positive patient subgroup and compare the efficacy of postoperative adjuvant immunotherapy between driver-positive and driver-negative populations.
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Proportion of driver-alteration-positive patients detected by combined DNA+RNA testing
Timeframe: through study completion, an average of 1 year
Dongsheng Yue Chief Physician of Surgery