Conditions:  Recurrent Aggressive B-Cell Non-Hodgkin Lymphoma;  Recurrent Diffuse Large B-Cell Lymphoma;  Recurrent High Grade B-Cell Lymphoma;  Recurrent Primary Mediastinal (Thymic) Large B-Cell Lymphoma;  Recurrent Transformed Follicular Lymphoma to Diffuse Large B-Cell Lymphoma;  Refractory Aggressive B-Cell Non-Hodgkin Lymphoma;  Refractory Diffuse Large B-Cell Lymphoma;  Refractory High Grade B-Cell Lymphoma;  Refractory Primary Mediastinal (Thymic) Large B-Cell Lymphoma;  Refractory Transformed Follicular Lymphoma to Diffuse Large B-Cell Lymphoma
Intervention:  Other: Electronic Health Record Review
Sponsor:  M.D. Anderson Cancer Center
**RECRUITING NOW**
Intervention:  Other: Electronic Health Record Review
Sponsor:  M.D. Anderson Cancer Center
**RECRUITING NOW**
Source: View full study details on ClinicalTrials.gov
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