Radiometry radiometry 4 Article 3 dosimetry 3 Dosimetry 2 Humans 2 Radiotherapy 2 Radiotherapy Dosage 2 Radiotherapy Planning, Computer-Assisted 2 Radiotherapy, Intensity-Modulated 2 human 2 intensity modulated radiation therapy 2 planning target volume 2 radiotherapy dosage 2 radiotherapy planning system 2 3-D printing 1 3D printers 1 3D printing 1 ABS 1 Activity concentration 1 Adaptive radiotherapy 1 Air components 1 Alanine 1 Anatomical variations 1 Apparent optical properties 1 Atomic composition 1 Atomic composition analysis 1 Atomic compositions 1 Atomic numbers 1 Atoms 1