CancersNeoplasmNeoplasm by Special CategoryMalignant NeoplasmMalignant Head and Neck NeoplasmMalignant Neck NeoplasmMalignant Retropharyngeal NeoplasmSubtypeMalignant Retropharyngeal NeoplasmCI-CAN-00003225Explore in graph →NCItC162828 OverviewStatisticsSurvivalGenomicsVariants & evidenceDrugsTrialsResearchRankingsSources & provenance