sentences:  A preliminary list of tumors for TCGA to study was generated by compiling incidence and survival statistics from the SEER Cancer Statistic website.In addition, U.S. current “Standard of Care” was considered when choosing the top 25 tumor types, as TCGA is targeting tumor types where resection prior to adjunct therapy is the standard of care.Availability of samples also plays a critical role in determining which tumor types to study and the order in which tumor projects are started.