Fig. 3From: Intracranial aneurysms formation after radiotherapy for head and neck cancer: a 10-year nationwide follow-up studya Nasopharyngeal cancer, cT3N2M0, stage III. A 60-Gy dose was prescribed to the entire nasopharynx, posterior third of the nasal cavity and maxillary sinus, pterygoid fossae, parapharyngeal space, retropharyngeal lymph nodes, clivus, skull base, sphenoid sinus, and bilateral upper neck lymph nodes. A 70-Gy dose was prescribed to the gross tumor and lymphadenopathies areas (red area). b Supraglottic cancer, cT3N0M0, stage III. A 50-Gy dose was prescribed to the retropharyngeal lymph nodes and bilateral neck lymph nodes. A 70-Gy dose was prescribed to the gross tumor area (red area)Back to article page