{'fraction_non_alphanumeric': 0.026836158192090395, 'fraction_numerical': 0.00847457627118644, 'mean_word_length': 5.05982905982906, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
[The long-term curative effect of microwave therapy of radiotherapeutical choanal atresia under nasal endoscope].

OBJECTIVE
In order to observe the long-term curative effect of microwave to treat the choanal atresia after radiotherapy under nasal endoscope.


METHOD
Twenty-one cases of choanal atresia after radiotherapy were treated by microwave under nasal endoscope.


RESULT
Following-up more than 3 years after operation, all the 21 cases were cured(100%) with no relapse.


CONCLUSION
This method is simple with mild damage to normal tissues, clear operation visual field, less postoperation pain, stadle long-term therapeutical effect and good way to treat choanal atresia in NPC after radiotherapy.