Search by Medical Condition A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Clinical Trials for Dendritic Cell Sarcoma, Interdigitating A Phase 2 Study of Pembrolizumab in Patients With Histiocyte/Dendritic Cell Neoplasms and Biologically Selected Subtypes of Relapsed/Refractory Aggressive Lymphomas