Collection of Biological Samples From Patients Treated With CAR-T Cells for Hematological Malignancies

"Blood samples (additional tubes) and marrow (quantity taken in addition from the same aspiration) will be collected in addition to those useful for the follow up of the patients (progress of their disease after treatment with CAR-T Cells) at specific points in his treatment journey.~The following samples will also be collected during Apheresis and at Car-T Cells reinjection :~* Apheresis sampling~* CAR-T Cells collected from bag rinsate~In case of invasion, a skin biopsy will be made, 2 days and 8 days after the beginning of the CAR T Cell Treatment, during the patient's hospitalization and during a consultation visit in case of therapeutic progression or failure."