Assertion: nasopharynx | /r/CapableOf | bulge into fat space
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Source sentences:
text: MRI is able to distinguish between a primary tumor confined to the nasopharynx that is only bulging into the fat space (stage T1), a primary tumor confined to the nasopharynx which is abutting a metastatic retropharyngeal node (stage T1N1), and a primary tumor that is directly invading the parapharyngeal region (stage T2)