At hospital discharge, patients will be randomized into 4 groups receiving respectively: nutritional and respirology counseling; nutritional counseling alone; respirology counseling alone; standard care. All the patients fill in the questionnaires QLQ C30, OES18, INPAT32 at 1 and 3 months after the surgical operation. Primary end-points are the items DY (dyspnoea), AP (appetite loss) and QL2 of QLQ C30. Secondary end point is the item EA (eating) of OES18.