- Neoadjuvant chemotherapy or immunotherapy for NSCLC; however, patients may have received pre-operative limited field, low dose (less than 1000 cGy) external beam radiation therapy or endobronchial brachytherapy or laser therapy for short term control of hemoptysis or lobar obstruction; full dose pre-operative radiotherapy of curative intent is a cause for exclusion; patients may have received post-operative adjuvant platinum-based chemotherapy however non-platinum-based chemotherapy is a cause for exclusion