急性支气管肺炎(小叶性肺炎)显示肺泡腔内大量嗜中性粒细胞。由于大量脓痰的产生，因此病人多咳嗽
The PMN's seen here are in alveoli, indicative of an acute bronchopneumonia of the lung. The PMN's form an exudate in the alveoli. This patient had a "productive" cough because large amounts of purulent sputum were produced. The source, the neutrophilic alveolar exudate, is seen here.