Keywords: متاستاز داخل شکمی; ALA; 5-aminolevulinic acid; BM; Brain metastasis; CT; Computerized tomographic; DFI; Disease free interval; EoR; Extent of resection; FDG; Fludeoxyglucose (18F); IONM; intra-operative neurophysiologic monitoring; KPS; Karnofsky performance score; MRI; Mag