a 62-year-old man with a two-week history of fatigue, shortness of breath, and easy bruising is seen at a primary care clinic on a saturday morning. lab work drawn the day before shows the patient to be anemic and having abnormalities with white blood cells. the patient is pleasant, but fatigued, and becomes short of breath walking to the exam room. a blood smear shows numerous abnormal white blood cells. the clinic physician tells the patient that something is wrong with his blood and recommends admission to the hospital. the patient agrees, and the physician calls his colleague in the hospital emergency room. the clinic physician makes the following statements. which part of the statement is the background?