The French EsoGastricTumours Data Base

Inclusion Criteria: Patient with * esophageal cancer, gastric or gastroesophageal junction diagnosed biopsy , regardless of the subtype of cancer, tumor stage or treatment envisaged. * Naive treatment for this cancer, * Naive treatment for this cancer , failing that received neoadjuvant treatment , * Male or female ≥ 18 years. * social protection scheme . * sign a free and informed consent for blood sampling , the different questionnaires and the collection of patient information. Exclusion Criteria: Male or female aged ( e) under 18 years. * Private person of liberty or under supervision (including guardianship ) . * People who do not speak French. * Major Nobody unable to consent . * Patient FREGAT already included in the base. * Patient Refusal .