Tumor location: right lower lobe, adjacent to the esophagus
Shortest distance to mediastinum [cm]	Shortest distance to carina [cm]	Shortest distance to main bronchus [cm]	Size (cor/sag/long) [cm]	Maximum diameter [cm]
0	7.5	2.2	2.5/2.3/1.8	3.7
SBRT accepted	Most frequently used fractionation	Second most frequently used fractionation	Mean number of fractions	Mean dose per fraction [Gy]
22 (88%)	8 x 7.5 Gy @ 65-90%	3 x 13.5/12,5 Gy @ 65%	6.8	8.5
SBRT declined	Reasons to decline SBRT		Most frequently recommended alternative treatment
3 (12%)	Localization too central, risk to esophagus		Surgery, conventionally fractionated RT with small margins