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. 2019 Feb;8(1):58–69. doi: 10.21037/tlcr.2018.10.07

Figure 2.

Figure 2

Stereotactic body radiotherapy plan of an ultracentral tumor. Treatment of an ultracentral tumor with a planning target volume overlapping the left proximal bronchus. Stereotactic body radiotherapy was delivered with a dose of 60 Gy in 8 fractions. Undercoverage of the planning target volume to reduce dose to the ipsilateral proximal bronchus. Target and organ at risk volumes (Color Wash): light blue—planning target volume; pink—proximal bronchi. Isodose lines: Blue—60 Gy; Purple—57 Gy; Green—45 Gy; Dark Red—30 Gy; Orange—20 Gy.