This answer is likely the answer they are looking for, however as this reference points out, it is somewhat age dependent and not entirely 100% agreed upon.
Incorrect – this is the fascia surrounding the kidney
Since the stomach is anterior to the pancreas this is not the correct answer.
Endocrine glands do not secrete into ducts – Insulin is the correct answer. The other hormones mentioned are secreted into the pancreatic duct
Pancreatic cancer can indeed cause gallbladder enlargement – sometimes to the degree that it can be felt on physical examination
The spleen is more echogenic than the liver
An enlarged caudate lobe
RIGHT hepatic lobe