A Study of Patients With Relapsed/Refractory Mantle Cell Lymphoma Treated With Lisocabtagene Maraleucel in the Post-Marketing Setting

Inclusion Criteria: • Participants must have been treated in the postmarketing setting with at least 1 infusion of lisocabtagene maraleucel (Liso-cel) used for the treatment of Mantle Cell Lymphoma (MCL) according to the FDA-approved indication and dose range (ie, per the US Prescribing Information) and with a product meeting the specifications for commercial release approved in the USA Exclusion Criteria: * Participants known to be participating in investigational studies at the time of liso-cel infusion. * Participants treated with non-conforming CAR T-cell product.