Surgical Brain Metastases: Management and Outcome Related to Prognostic Indexes: A Critical Review of a Ten-Year Series

Table 4

Average and median survival in patients with brain metastases according to primary tumor histology. Note differences between average and median survival probably due to influencing factors not relating only with histology.

Histology	Average survival	Median survival
Breast	19.01	10.3
Bowels	11.17	11.0
Kidney	32.9	6.5
Lung-NSCLC	19.75	11.15
Lung-SCLC	10.8	10.25
Melanoma	10.83	8.0
Unknown	11.64	3.6