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Table 3 Maximum point dose to organs at risk

From: Stereotactic body radiotherapy for centrally located early-stage non-small cell lung cancer or lung metastases from the RSSearch® patient registry

Organ Mean Dmax Median Dmax MDACC [11]
  (95 % CI) (range) Dmax Recommendations (50 Gy/4 Fx)
Esophagus 14 Gy (11 – 16) 11 Gy (0 – 51) ≤ 35 Gy
Bronchus 34 Gy (24 – 44) 38 Gy (26 – 75) Bronchial tree:
    ≤38 Gy
Trachea 24 Gy (18 – 30) 20 Gy (0 – 75) V35 < 1 cm3
Heart 22 Gy (18 – 25) 18 Gy (0.5 – 66) ≤45 Gy
Major vessels 35 Gy (31 – 40) 31 Gy (13–76) ≤56 Gy
Spinal cord 10 Gy (8 – 12) 9 Gy (1 – 24) <25 Gy
Skin 27 Gy (17 – 36) 17 (9 – 73) 30 < 50 cm3