Fig. 1From: Minimally invasive surgery alone compared with intensity-modulated radiotherapy for primary stage I nasopharyngeal carcinomaWork flow diagram. NPC nasopharyngeal carcinoma, 2DRT two-dimensional radiotherapy, 3DRT three-dimensional radiotherapy, RPLN retropharyngeal lymph node, CLN cervical lymph node, PET/CT 18F-fluorodeoxyglucose positron emission tomography and computed tomography, ENPG endoscopic nasopharyngectomy, IMRT intensity-modulated radiotherapyBack to article page