Influence of Food Preferences on the Occurrence of Undernutrition in Treated Patients for Bronchopulmonary Carcinoma Non-small Cell Stage IV

The study will be offered to patients with non-small cell lung carcinoma diagnosed at stage IV and receiving first-line treatment. The patient will benefit from a complete assessment at inclusion (clinical exam, imagery, biological exam, dietary consultation, test LFQP. At the end of this 1st evaluation, patients in whom the diagnosis of undernutrition is made will benefit from dietary management with personalized advice that will take into account the symptoms of cancer, the possible side effects of treatments as well as the social environment. Every two cures, i.e. every 4 to 6 weeks, these examens will be performed until the occurrence of an event (progression of the disease according to the RECIST criteria, death or change of therapeutic line). At the end of these assessments, patients will benefit from dietary management with a readjustment of personalized advice that will take into account the difficulties highlighted during the assessment.