新标准中具体规定胸片质量标准为:①必须包括两侧肺尖和肋膈角、胸锁关节对称,肩胛骨阴影不与肺野重叠;②直接曝光区呈深黑色,透过该区不应看到指影;③能分清第1—4胸椎,以下胸椎与心影后肺纹理隐约可见;④肺纹理清晰锐利;⑤胸廓、骨骼与周围软组织阴影层次分清。 对胸片质量的评定具体规定如下: The new standard specifies the quality standards for the chest X-ray film: ① must include both sides of the apical and costophrenic angle, symmetry of the sternoclavicular lock, scapular shadow does not overlap with the lung field; ② direct exposure area was dark black, through the area should not See finger shadow; ③ to distinguish the first 1-4 thoracic, the following thoracic and heart shadow lung texture looming; ④ clear and clear lung texture; ⑤ thorax, bones and surrounding soft tissue shadow level distinguish. Evaluation of the quality of the chest specific provisions are as follows: