Radiation therapy, Stereotactic radiosurgery, 3D conformal radiotherapy, Intensity-modulated radiation therapy, Stereot...actic body radiotherapy, VMAT, External beam radiation therapy, Palliative radiotherapy, Cancer, Kidney cancer, Bone metastasis, Prostate cancer, Bladder cancer, Testicular cancer, Cancer of unknown origin, Penile cancer, Renal cell carcinoma, Cancer-related pain, Urethral cancer