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Table 3 Dose constraints for OAR (OAR, Organs at risk; D max , maximal dose in PTV; V15 and V20, percentage of irradiated tissue covering the 15 or 20 Gy isodose [[5, 11–14]])

From: Clinical outcome of hypofractionated breath-hold image-guided SABR of primary lung tumors and lung metastases

OAR

Dose constraint

Healthy lung V15

<30%

Healthy lung V20

<20%

Spinal cord Dmax

18-20 Gy

Trachea/main bronchus Dmax

36 Gy

Esophagus Dmax

18 Gy

Brachial plexus Dmax

18 Gy

Ribs/Thoracic wall Dmax

30 Gy

Heart and major vessels Dmax

30 Gy

Skin Dmax

40 Gy

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Radiation Oncology

ISSN: 1748-717X

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