Study Status: Completed
Recruit Status: Completed
Study Type: Observational
Official Title: Review of Molecular Profiling-Real Time Polymerase Chain Reaction (Rt-Pcr) in Unknown Primary Cancer: Role in Clinical Management and Primary Site Prediction
Brief Summary: This will be a retrospective review of 30 patients with unknown primary cancer who have had commercially available RT-PCR assays performed on biopsied tumors, in order to determine if the assay results are consistent with clinical features and useful for planning initial therapy or changing therapy.