title: The use of ultrasound in the radiation therapy treatment planning of metastatic neck node.
mesh_terms: D004583:Electrons; D006258:Head and Neck Neoplasms / Q000000981:diagnostic imaging / Q000556:secondary*; D006801:Humans; D010347:Patient Care Planning / Q000379:methods*; D011859:Radiography; D011882:Radiotherapy, High-Energy / Q000379:methods*; D014463:Ultrasonography