Inclusion criteria (let op korte versie, zie full protocol voor details) Stage III NSCLC Age ≥ 75 years Any subtype of pathologically proven NSCLC, primary UICC Stage III disease;
No surgery or adjuvant chemotherapy for NSCLC in the last year;
No prior radiotherapy to the ipsilateral thorax or mediastinum;
No clinical superior vena cava syndrome;
No diagnosis of other cancer within the last 3-years (except in situ carcinoma’s and / or non-melanoma skin cancer);