Inclusion Criteria:  1. Adult participant (aged greater than or equal to [>=18] years) that underwent or are candidates for ASCT and were enrolled in BV HL NDP receiving treatment according to the Summary of Product Characteristics for Adcetris and NDP.  Exclusion Criteria:  Currently participates or plans to participate in any interventional clinical trial. Any other reason that, in the Investigator's opinion, makes the participant unsuitable to participate in this study.