Fig. 4From: Population-based analysis of curative therapies in stage II non-small cell lung cancer: the role of radiotherapy in medically inoperable patientsKaplan-Meier overall survival curves of all patients treated with radiotherapy comparing > 60 Gy (n = 59), 50–59 Gy (n = 63) and high-dose palliative radiotherapy 30–49 Gy (n = 46)Back to article page