To Observe the Dual-target Chimeric Antigen Receptor T Cells in the Treatment of B Cell Hematologic Tumors

With other diseases that are not effectively controlled, including, but not limited to, persistent or poorly controlled infections symptomatic congestive heart failure unstable angina arrhythmia poorly controlled pulmonary disease or psychiatric disease;

Presence of other malignant tumors;

There are severe infections that cannot be effectively controlled;

Hepatitis B surface antigen (HBsAg) or hepatitis B core antibody (HBcAb) positive, peripheral blood hepatitis B virus (HBV)DNA higher than the detection limit should be excluded; If hepatitis C virus (HCV) antibody positive, peripheral blood HCV RNA positive need to exclude; Cytomegalovirus (CMV)DNA positive; Epstein-barr virus DNA positive in peripheral blood;