Prognostic implication of malignant pleural metastases in stage M1a non-small cell lung cancer in a real-world Dutch cohort receiving chemotherapy and/or immunotherapy.
INTRODUCTION In the updated 9th TNM non-small cell lung cancer (NSCLC) staging edition, pleural and pulmonary metastases remain grouped within the M1a category, inferring similar prognostic implications. The aim was to evaluate the prognostic implication on overall survival (OS) of pleural versus contralateral pulmonar...