RESULTS DSA indicated a little dilation of hepatic artery and delayed image of hepatic parenchyma.
结果DSA示肝动脉扩张，肝实质显影延迟；
Emphysema is characterized by a loss of lung parenchyma by destruction of alveoli so that there is permanent dilation of airspaces.
肺气肿具有典型的特征，肺泡被破坏，肺实质丧失，以致形成持久性的含气区增大。
Emphysema is characterized by a loss of lung parenchyma by destruction of alveoli so that there is permanent dilation of airspaces.
肺气肿具有典型的特征，肺泡被破坏，肺实质丧失，以致形成持久性的含气区增大。
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