Q. A 75-year-old man comes to the clinic due to fatigue and loss of appetite for the past two months. He mentions that he lost 8 kg during the past two months and he has feeling of heaviness in the right lower quadrant of his abdomen. On exam, his vital signs demonstrate a mild tachycardia and low blood pressure. He appears pale. General exam is otherwise unremarkable. You send a fecal occult blood test, which is positive. Which of the following laboratory findings would you expect to see in this case (see accompanying table)?