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Table 2 Doses received by the proximal bronchial tree across competing treatment plans

From: Stereotactic ablative radiotherapy for ultra-central lung tumors: prioritize target coverage or organs at risk?

parameter PTV coverage prioritized OAR constraints prioritized
50 Gy in 5 60 Gy in 8 60 Gy in 15 50 Gy in 5 60 Gy in 8 60 Gy in 15
Dmax (Gy) 60.1 (52.3–72.9) 70.1 (63.8–78.1) 60.8 (57.0–62.8) 36.9 (31.5–38.0) 44.7 (38.4–48.2) 57.6 (56.2–58.4)
D2% (Gy) 50.0 (43.9–57.0) 58.7 (48.6–68.8) 55.8 (47.4–61.3) 26.8 (20.8–31.0) 35.0 (25.0–54.6) 47.9 (29.9–56.9)
D0.1cc (Gy) 56.7 (51.1–66.7) 66.4 (57.4–75.2) 59.6 (56.4–62.0) 32.0 (26.8–34.7) 38.9 (32.2–42.0) 55.8 (51.2–57.5)
D1cc (Gy) 47.2 (41.5–55.0) 55.2 (44.7–66.0) 53.1 (44.2–60.9) 25.4 (19.6–30.6) 30.9 (23.5–36.9) 47.4 (38.5–56.4)
D2cc (Gy) 38.1 (27.7–49.8) 44.2 (27.7–59.8) 43.9 (30.1–59.9) 20.3 (16.4–25.2) 24.9 (19.4–30.4) 36.0 (29.3–45.3)
D3cc (Gy) 31.3 (8.3–45.7) 36.5 (8.3–54.9) 34.9 (17.1–58.6) 16.5 (6.4–20.1) 20.3 (7.6–24.3) 25.8 (13.0–29.7)
  1. Cells are presented as the average (range) values