The French EsoGastricTumours Data Base

Who May Qualify: 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 willing to sign a consent form for blood sampling , the different questionnaires and the collection of patient information. Who Should NOT Join This Trial: 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 . Always talk to your doctor about whether this trial is right for you.