Medium sized thrombomboli (blocking a pulmonary artery to a lobule or set of lobules) can produce the lesion seen here--a hemorrhagic pulmonary infarction, because the patient survives.

• 中等大小的血栓(堵塞通向一个肺叶或一组肺叶的肺动脉)能产生如图所见的损害--肺出血性梗死，该病人得以幸存。