Overview of recent advances -- Modes of therapy -- Practical aspects of external beam therapy -- Practical aspects of endocavitary beam therapy, intraoperative radiation and brachytherapy -- Patient care before, during, and after radiotherapy -- Target delineation, normal tissue contouring, and normal tissue constraints -- Oral cavity -- Nasopharynx -- Oropharynx -- Larync -- Hypopharynx -- Nasal cavity -- Paranasal sinuses -- Salivary glands -- Thyroid -- Skin -- Neck node metastasis from unknown primary -- Treatment of locoregional recurrence.