The plasma levels of IGF-1R in patients with pancreatic cancer, chronic pancreatitis, other pancreatic tumors, PNET and healthy volunteers were 0.823±0.57 ng/ml, 0.472±0.42 ng/ml, 0.562±0.3 ng/ml, 0.460±0.21 ng/ml, 1.004±0.50 ng/ml, respectively. Here, IGF1R is linked to chronic pancreatitis.