Induction chemotherapy with docetaxel, cisplatin and fluorouracil followed by concurrent chemoradiotherapy for unresectable sinonasal undifferentiated carcinoma: Two cases of report

Figure 1 Imaging features in case 1. A: Magnetic resonance imaging (MRI) of the head on admission. The tumor had widely invaded the paranasal sinuses, the right orbit and the cranial base; B: MRI after concurrent chemoradiotherapy showed a complete response of the tumor.