Fig. 3From: Is pulmonary artery a dose-limiting organ at risk in non-small cell lung cancer patients treated with definitive radiotherapy?Survival curves by the percentage of PA volume that received 40-55Gy. (a) PA V40 ≥ 86% vs. < 86%; (b) PA V45 ≥ 68% vs. < 68%; (c) PA V50 ≥ 45% vs. < 45% and (d) PA V55 ≥ 32% vs. < 32%Back to article page