CancersNeoplasmNeoplasm by SiteDigestive System NeoplasmDigestive System Intraepithelial NeoplasiaAppendix Intraepithelial NeoplasiaAppendix High Grade Intraepithelial NeoplasiaPrecursor ConditionAppendix High Grade Intraepithelial NeoplasiaCI-CAN-00001819Explore in graph →PrecursorNCItC96420 OverviewStatisticsSurvivalGenomicsVariants & evidenceDrugsTrialsResearchRankingsSources & provenance