4. FRENCH high-resolution studies - Breast cancer: 1990, 1997, 2003, 2010 ? - Colorectal cancer: 1990, 1995, 2000, 2005, 2010 ? - Prostate cancer: 1995, 2001, 2008 - Liver: 1997-1998 - Lung cancer: 2004 - Lymphoma: 2009 - Head and neck cancer: 2010 - Testis: 2003-2004 - Melanoma: 2000 - Kidney: 2000

5. To be successful high-resolution studies need: "Easy" access to clinical data A careful education of investigators Funding for data collection Problem of data comparability In depth analysis of criteria of "complete registration" Problem of death certificate Criteria to establish stage at diagnosis