We report a rare case of a 26 - year - old primigravida at 34 weeks ' gestation complicated with malignant lymphoma presenting as severe dyspnea and orthopnea 我们报告一个罕见病例， 26岁初产妇于怀孕34周并发恶性林巴瘤以严重呼吸困难及端坐呼吸为表现。
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Orthopnea and paroxysmal nocturnal dyspnea are unusual in pulmonary disease , except in a very advanced phase when the increased efficiency of breathing in the upright position is manifest 肺病患者的端坐呼吸和阵发性夜间呼吸困难不常见，除非是在很晚期，此时，直立位呼吸功率增加明显。
