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Table 3 Solitary metastases based on GTV (small <15 cc and large >15 cc) and volume of normal adjacent brain irradiated if SRS was administered pre- versus post-operatively

From: Pre-operative stereotactic radiosurgery treatment is preferred to post-operative treatment for smaller solitary brain metastases

  Normal Brain Irradiated (cc)
Pre-Op SRS Post-Op SRS
GTV > 15 cc
 23.89 26.16 13.54
 67.88 93.5 20.52
 37.32 61.77 62.11
 17.39 23.49 14.36
GTV < 15 cc
 14.85 24.51 29.08
 3.36 11.99 14.39
 0.34 1.97 7.34
 0.06 0.97 18.22
 2.8 6.73 13.22
 1.8 6.78 12.39
 0.33 2.44 7.07
 11.38 17.41 33.59
 6.09 13.02 15.6