- Diagnosis of leukemia or CD19 + lymphoma, with a life expectancy less than 2 years that meet the following conditions:- Adult acute lymphoid leukemia in second or third response, not candidate for transplantation due to age, associated diseases or lack of donor, or in relapse post allogeneic transplant.- Pediatric acute lymphoid leukemia in second or third response, refractory or non-transplant candidate due to donor absence, or in relapse post allogeneic transplant, or with minimal residual residual disease (0.1% or greater) after two or more lines of treatment. - Symptomatic follicular lymphoma, which has received at least 2 treatment regimens (one of them including rituximab) and a progression-free interval of less than 2 years. Patients not candidates for transplantation or post-transplant relapse may be included.- Symptomatic chronic lymphocytic leukemia, which has received at least 2 treatment regimens (one of them including rituximab) and a progression-free survival of less than 2 years. Patients with a 17p deletion or TP53 mutation may be included after the first line of treatment. - Mantle cell lymphoma in the first relapse (or higher) when it is not a candidate for transplantation, or second post-transplant relapse (or higher). - Diffuse large cell lymphoma in first relapse (or higher) when it is not a candidate for transplantation, or second post-transplant relapse (or higher).