Adenosquamous carcinoma of the papilla of Vater: A phenotypic heterogeneity characterized by a common molecular landscape. Issue 12 (12th November 2018) - Milanetto, Anna Caterina; Valbona, Liço; Alaggio, Rita; Munari, Giada; Pedrazzoli, Sergio; Fassan, Matteo; Pasquali, Claudio