CD20 Antigen Loss in T-cell/Histiocyte-Rich Diffuse Large B-cell Lymphoma Following R-CHOP Therapy: A Case of Immune Escape Ay¿egül Ezgi Çetin; Ali Turunç; Berrak Ça¿la ¿enol; Birol Güvenç;

TP53-Deleted Mixed Phenotype Acute Leukemia with Widespread Nodal Disease: Complete Remission after HyperCVAD plus Azacitidine Ay¿egül Ezgi Çetin; Berrak Ça¿la ¿enol; Ali Turunç; Birol Güvenç;

THERAPEUTIC CHALLENGE IN HISTIOCYTIC SARCOMA: A CASE REPORT OF NIVOLUMAB ADDITION TO THE ICE PROTOCOL Ali Turunç; Berrak Ça¿la ¿enol Arslan; Ay¿egül Ezgi Çetin; Birol Güvenç;