- ECOG-ACRIN: Pretreatment cytogenetics must be performed on all patients; collection of pretreatment specimens must be completed within 30 days prior to registration to S1117; specimens must be submitted to the site's preferred CLIA-approved cytogenetics laboratory; karyotypes and reports must be submitted for review to the Mayo Clinic Cytogenetics Laboratory in Rochester; note that cytogenetics testing is required at other timepoints