Perioperative Treatment Outcomes of Early NSCLC

Perioperative Treatment Patterns and Clinical Outcomes in Early-Stage Non-Small Cell Lung Cancer: a Real-World Observational Study

This is an observational study evaluating the clinical characteristics, treatment patterns, and clinical outcomes of perioperative NSCLC patients receiving different treatment strategies. According to the inclusion and exclusion criteria, perioperative NSCLC patients admitted to the study center from January 1, 2020, to one year after the study initiation will be retrospectively screened and collected.

Inclusion Criteria:

• Stage I-III NSCLC patients confirmed by histological or cytological examination based on the 8th edition of the AJCC staging system.
• Patients who have undergone radical lung cancer surgery.
• Patients who have received neoadjuvant treatment before radical lung cancer surgery, including chemotherapy, targeted therapy, or immunotherapy both alone or combined.

Exclusion Criteria:

• Patients with other previous malignancies, except those who achieved complete remission at least two years before radical lung cancer surgery and did not require additional treatment.
• Patients with incomplete key baseline and treatment information，including clinical stage, pathological type, neoadjuvant treatment, pathological response, imaging response after neoadjuvant.
• Patients included in anti-tumor drug intervention or unblinded clinical trials, in which the treatment being administered is unknown.
• Prior surgery, radiotherapy or systemic therapy for NSCLC, including radiofrequency ablation, etc.