Biomarker Study of Primary Nonmetastatic Versus Metastatic Invasive Bladder Cancer

The National Cancer Institute Bladder Tumor Marker Network, Departments of Pathology, Memorial Sloan-Kettering Cancer Center, New York and University of Rochester, Rochester, New York, Department of Urology, Laval University, Laval, Quebec, Canada, University of Texas M. D. Anderson Cancer Center, Houston, Texas, Department of Urology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, Division of Molecular Cytometry, University of California, San Francisco, California, and Division of Cancer Diagnosis and Treatment, National Cancer Institute, Bethesda, Maryland