Brain stereotactic radiosurgery, Stereotactic radiosurgery, Intraoperative radiation therapy, Proton therapy, Radiation... therapy, Intensity-modulated radiation therapy, Stereotactic body radiotherapy, Brain tumor, Spinal cord tumor, Brain metastasis, Neurofibromatosis, Meningioma, Glioblastoma, Pituitary tumor, Acoustic neuroma, Glioma, Ependymoma, Astrocytoma, Chordoma, Oligodendroglioma, Neuroendocrine tumor, Colon cancer, Rectal cancer, Anal cancer, Pancreatic cancer, Esophageal cancer, Cholangiocarcinoma, Liver cancer, Stomach cancer, Pancreatic neuroendocrine tumor, Hepatocellular carcinoma, Gallbladder cancer, Gastrointestinal stromal tumor, Small bowel cancer, Ampullary cancer, Lung cancer, Neurofibroma, Spine tumor, Brain cancer, Choroid plexus papilloma, Pilocytic astrocytoma