Figure 2From: 3D-CT implanted interstitial brachytherapy for T2b nasopharyngeal carcinomaAxial CT image of a NPC patient with stage T2b disease showing four ProGuide Sharp Needles in the parapharyngeal space with 2.5 GY, 2.25 GY, 2.0 GY, 1.75 GY, 1.50 GY, and 1.25 GY isodose lines.Back to article page