Foundations -- Rationale of Intensity Modulated Radiation Therapy: A Clinician’s Point of View -- The Potential and Limitations of IMRT: A Physicist’s Point of View -- Imaging for IMRT -- Physical Optimization -- Practical IMRT Planning -- Dose Calculations for IMRT -- IMRT Delivery Techniques -- Biological Aspects of IMRT Planning and Delivery -- Image Guided Patient Setup -- QA-QC of IMRT: European Perspective -- QA-QC of IMRT: American Perspective -- Advanced Image-Guided and Biologically Guided Techniques -- Imaging Lymph Nodes Using CT and MRI, Imaging Cancer by PET -- PET and SPECT in IMRT: Future Prospects -- Magnetic Resonance Imaging for IMRT -- Molecular/Functional Image-guided Intensity Modulated Radiation Therapy -- Biological Optimization -- Advanced Imaging and Guidance System for Use in Intensity Modulated RT -- External Beam Adaptive Radiation Therapy (ART) on a Conventional Medical Accelerator -- Adaptive Radiation Therapy (ART) Strategies Using Helical Tomotherapy -- 4D CT Simulation -- 4D Treatment Planning -- “4D” IMRT Delivery -- Clinical -- IMRT for Paranasal Sinus and Nasal Cavity (Sino-Nasal) Tumors -- IMRT for Carcinomas of the Oropharynx and Oral Cavity -- IMRT for Carcinomas of the Nasopharynx -- Intensity Modulated Radiotherapy in Cancer of the Larynx -- Central Nervous System, Skull Base and Paraspinal Tumors -- IMRT Lung -- Breast IMRT -- IMRT for Malignancies of the Upper Abdomen and Retroperitoneum -- Prostate IMRT -- Intensity-modulated Radiation Therapy for Carcinomas of the Uterine Cervix and Endometrium -- Integration of IMRT and Brachytherapy -- High Precision and Unconventional Fractionation IMRT.