Stage I pancreatic cancer; drawing on the left shows that stage IA pancreatic cancer is smaller than 2 centimeters. The drawing on the right shows that stage IB pancreatic cancer is larger than 2 centimeters. An inset shows that a 2 centimeter tumor is about the size of a peanut. The duodenum is also shown.
Stage I pancreatic cancer. In stage IA, the tumor is 2 centimeters or smaller. In stage IB, the tumor is larger than 2 centimeters.