Variables Measured Description Solid tumor Mean HU value of tumor Direct measurement Cystic tumor Mean HU value of cystic tumor Direct measurement Aorta Mean HU value of aorta Direct measurement Normal pancreas Mean HU value of pancreas Direct measurement Normal pancreas SD Standard deviation of HU value at pancreas Direct measurement Solid tumor SD Standard deviation of HU value at tumor Direct measurement

Table 2a: CT measurement–6 Original Readings as Imaging Biomarkers.