[Expert Solution]: You are working in a nearly empty…

You are working in a nearly empty small-town emergency department in the middle of the night when a young woman, Ms. Harriman, comes in holding her abdomen and sobbing. She is doubled over in pain and says, “I think I have stomach or pancreatic cancer!” She moans and says she is nauseated and says, “I threw up blood at home! Hematemesis!”