A patient with long standing, progressive congestive hea failure dies in respiratory distress. The lungs at autopsy are 3 times their normal weight. Histologically, the alveoli show a proteinaceous granular precipitate, enlarged alveolar capillaries, and hemosiderin-laden macrophages. Other inflammatory cells are inapparent. Which of the following is the most likely diagnosis?
Candida pneumonia Pneumococcal pneumonia Pneumocystis pneumonia Pulmonary edema