Very rare near‐haploid acute lymphoblastic leukemia resistant to immunotherapy and CAR‐T therapy in 19‐year‐old male patient oleh Tomas Arpas, Hana Jelinkova, Stepan Hrabovsky, Martina Orsulova, Zuzana Vrzalova, Veronika Navrkalova, Eva Brhelova, Lenka Bryjova, Alena Bulikova, Eva Ondrouskova, Marketa Sejnohova, Frantisek Folber, Petra Sedová, Jiri Mayer, Sarka Pospisilova, Marie Jarosova, Michael Doubek