There are several sp ecial patterns of local NPC tumor recurrence after radiation therapy in the pres ence of normal nasopharyngeal mucosa. MR imaging is the method of choice to depi ct the location and extent of NPC tumor recurrence.是什么意思_There are several sp ecial patterns of local NPC tumor recurrence after radiation therapy in the pres ence of normal nasopharyngeal mucosa. MR imaging is the method of choice to depi ct the location and extent of NPC tumor recurrence.在线翻译_英语_读音_用法_例句