Study of Previously Collected and Stored Tissue Samples From Patients Previously Enrolled in a Completed National Cancer Institute Clinical Trial
National Institutes of Health Clinical Center (CC)
National Institutes of Health Clinical Center (CC)
Eastern Cooperative Oncology Group
Eastern Cooperative Oncology Group
Alliance for Clinical Trials in Oncology
SWOG Cancer Research Network
Case Comprehensive Cancer Center
National Cancer Institute (NCI)
University of Michigan Rogel Cancer Center