Real-world Treatment Patterns and Associated Outcomes in Patients With Resectable Early-stage Non-small Cell Lung Cancer

Inclusion Criteria:

1. Adult female and male patients aged ≥18 years or 'adults' according to age of majority as defined by the local regulations on index date
2. Patient or next of kin/legal representative (for deceased patients at study entry, unless a waiver is granted) willing and able to provide written or electronic informed consent according to the local regulations, where applicable
3. Patients diagnosed with primary stage IA to IIIB NSCLC as per seventh edition AJCC whose tumour was deemed resectable between 01 January 2013 and 31 December 2017 and followed up until at least 31 December 2020, as per the medical records with availability of at least 12 months of follow-up data from the index date (date of diagnosis of early-stage \[IA to stage IIIB\] resectable NSCLC), unless patient died within 12 months of diagnosis.

Exclusion Criteria:

1. Patients with a concomitant cancer at the time of diagnosis of NSCLC, except for nonmetastatic nonmelanoma skin cancers, or in situ or benign neoplasms; a cancer will be considered concomitant if it occurs within 5 years of NSCLC diagnosis
2. Patients diagnosed with stage IV NSCLC
3. Histology of the tumour is small cell lung cancer, neuroendocrine in origin, or a mixed histologic type with small cell and non-small cell lung cancers.