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Table 1 Summary of tumor characteristics and treatment parameters

From: Stereotactic radiosurgery for brain metastases: analysis of outcome and risk of brain radionecrosis

Parameter No(%)
number of patients 206
median age 62
sex (F/M) 99/107
no of lesions per patient  
1 lesion 126 (61%)
2 lesions 56 (27%)
3 lesions 24 (12%)
histology  
lung 106 (51%)
breast 38 (18%)
melanoma 34 (17%)
others 28 (14%)
tumor location  
frontal 68 (22%)
parietal 78 (25%)
temporal 62 (20%)
cerebellar 43 (14%)
occipital 45 (15%)
brainstem 14 (4%)
radiosurgical dose (Gy)  
20 118 (38%)
18 120 39%)
15-16 72 (23%)
treated volume (cm 3 )  
median 1.88
range 0.03-18.1
treated volume (cm 3 )  
median 2.81
range 0.2-23.7