A 61-year-old man comes to the physician for a 15-pound weight loss over the past 3 months. Laboratory studies show a normocytic, normochromic anemia. X-ray of the chest shows a 3-cm perihilar mass. The molecule most likely responsible for this patient’s weight loss is also most saliently responsible for which of the following?
Activation of T cells
Acute phase protein release by the liver
Fever
Neutrophil chemotaxis
Vascular permeability