[1] Escola Paulista Med UNIFESP, Dept Digest Surg, Rua Botucatu,740,Vila Clementino, BR-04023062 Sao Paulo, SP, Brazil
[2] Barretos Canc Hosp, Postgrad Program, Barretos, SP, Brazil
[3] Einstein Sao Paulo Sao, Dept Oncol, Sao Paulo, SP, Brazil
[4] Hosp Santa Casa, Dept Surg Oncol, Campo Mourao, Parana, Brazil
[5] Sorbonne Univ, Hop Tenon, AP HP, Dept Radiat Oncol, Paris, France
[6] Hop Cochin, AP HP, Dept Digest Pancreat & Endocrine Surg, Paris, France