How do gall bladder problems differ from pancreatic cancer? are there any similar symptoms?

See below: Some symptoms can be similar such as upper abdominal pressure discomfort, sometimes nausea & yellow jaundice can occur with both. Painful jaundice is likely from gallstones & painless jaundice more toward pacreatic cancer. Gallbladder issues more common than pancreatic cancer. Gallbladder pains in abdomen & nausea mostly occur after eating. Pancreatic pain more in the mid back with weight loss.