CancersNeoplasmNeoplasm by Special CategoryMalignant NeoplasmSecondary Malignant NeoplasmMalignant Neoplasm of Unknown PrimaryCarcinoma of Unknown PrimarySquamous Cell Carcinoma of Unknown PrimaryNeck Squamous Cell Carcinoma of Unknown PrimarySubtypeNeck Squamous Cell Carcinoma of Unknown PrimaryCI-CAN-00006121Explore in graph →4 active trialsNCItC7713 OverviewStatisticsSurvivalGenomicsVariants & evidenceDrugsTrials9ResearchRankingsSources & provenance