Patients with immediately resectable PDAC (definition based on the NCCN's (American National Comprehensive Cancer Network 2014) latest guidelines) will be randomised to either pancreatectomy and adjuvant chemotherapy or 4 cycles of neoadjuvant chemotherapy with either FOLFOX or FOLFIRINOX. The patients in the neoadjuvant chemotherapy arms will receive postoperative chemotherapy for 4 months (8 cycles).