P377: GENETIC CHARACTERISTICS AND CD7-CAR-T THERAPY OF TRAD:MYC TRANSLOCATION POSITIVE ACUTE LYMPHOBLASTIC LEUKEMIA PATIENTS. (23rd June 2022) - Wang, T.; Ni, J.; Zhang, H.; Hui, S.; Liu, T.; Zhang, X.; Zhang, G.; Ma, X.; Wang, X.; Zhang, Y.; Zhang, Q.; Liu, H.