title: Proton beam therapy.
mesh_terms: D000328:Adult; D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000532:radiotherapy; D002817:Chordoma / Q000532:radiotherapy; D005260:Female; D006258:Head and Neck Neoplasms / Q000532:radiotherapy; D006801:Humans; D008297:Male; D008545:Melanoma / Q000532:radiotherapy; D008875:Middle Aged; D009369:Neoplasms / Q000532:radiotherapy*; D010315:Particle Accelerators; D010347:Patient Care Planning; D011471:Prostatic Neoplasms / Q000532:radiotherapy; D011522:Protons; D011882:Radiotherapy, High-Energy / Q000191:economics; D012509:Sarcoma / Q000532:radiotherapy; D012888:Skull Neoplasms / Q000532:radiotherapy; D012983:Soft Tissue Neoplasms / Q000532:radiotherapy; D013125:Spinal Neoplasms / Q000532:radiotherapy; D014604:Uveal Neoplasms / Q000532:radiotherapy
chemical_list: D011522:Protons