<qa>  What is the name of the adenocarcinoma of the pancrea- Patients with unresectable, locally advanced adenocarcinoma of the pancreas proven by biopsy or cytology defined as direct extension to the SMA andor celiac axis with absence of a fat plane between the low-density tumor and these arterial structures, or loss of patent superior mesenteric-portal vein confluence, who have not received previous treatment for pancreatic cancer. Patients who have been surgically explored and deemed unresectable on that basis are eligible, provided other entry criteria are met 