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胸片上所示的肺门位置与形态的异常改变,是矽肺的重要x线征象之一。临床或放射科医师评价肺门位置时,多惯用X线平片直视法,即依据正常肺门形态与位置所在,并与对侧肺门位置对应的相互比较与判断。我们应用Homer氏提出的一种不
Hypobaric chest shown on the abnormal position and shape of the hilar is one of the important x-ray signs of silicosis. Clinical or radiologist evaluation of the hilar position, the more conventional X-ray film direct method, that is based on the normal hilar morphology and location where, and the contralateral hilar position corresponding to each other to compare and judge. We apply Homer’s proposed one not