- Southwestern Oncology Group (SWOG) (and other sites not affiliated with Alliance or Eastern Cooperative Oncology Group [ECOG]-American College of Radiology Imaging Network [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 Clinical Laboratory Improvement Amendments (CLIA)-approved cytogenetics laboratory; reports of the results must be submitted as described; note that cytogenetics are required at other timepoints; NOTE: National Cancer Institute of Canada Clinical Trials Group (NCIC CTG) sites may submit specimens to College of American Pathologists (CAP) or Ontario Laboratory Accreditation (OLA)-approved laboratories providing the lab is licensed to perform fluorescent in situ hybridization (FISH) analysis