Palliative care, Radiation therapy, 3D conformal radiotherapy, IMRT, Palliative radiotherapy, Stereotactic radiosurgery..., Intraoperative radiation therapy, Proton therapy, VMAT, Stereotactic body radiotherapy, Bone tumor, Breast cancer, Pediatric central nervous system tumor, Brain metastasis, Skull base tumor, Sarcoma, Soft tissue sarcoma, Childhood cancer