CancersNeoplasmNeoplasm by Special CategoryRare NeoplasmHistiocytic and Dendritic Cell NeoplasmTumors Derived from Langerhans CellsLangerhans Cell HistiocytosisLangerhans Cell Histiocytosis, DisseminatedLetterer-Siwe DiseaseHematologic MalignancyLetterer-Siwe DiseaseCI-CAN-00007949Explore in graph →HematologicNon-malignantNCItC3160 OverviewStatisticsSurvivalGenomicsVariants & evidenceDrugsTrialsResearchRankingsSources & provenance