“…However, several studies focusing on pancreatic cancer or upper abdominal malignancies have provided information related to pNETS (de Oliveira, dos Reis, & Prado, 2004;Erdek, Halpert, Fernandez, & Cohen, 2010;Jain, Shrikhande, Myatra, & Sareen, 2005;Polati et al, 2008;Wong et al, 2004). However, several studies focusing on pancreatic cancer or upper abdominal malignancies have provided information related to pNETS (de Oliveira, dos Reis, & Prado, 2004;Erdek, Halpert, Fernandez, & Cohen, 2010;Jain, Shrikhande, Myatra, & Sareen, 2005;Polati et al, 2008;Wong et al, 2004).…”