Go the distance.
Though wrought with limitations in granularity and accuracy of current practice locations, this study suggests most rad oncs offering specialized prostate radiation treatments (read: brachytherapy, SBRT or proton therapy) are unsurprisingly concentrated in urban areas. Why does this matter? Because, as you might have guessed, patients were significantly less likely to receive each modality the further they lived from a provider. | Tang, Int J of Radiat Oncol Biol Phys 2020