Mid zone

Last revised by Daniel J Bell on 2 Aug 2021

The mid (or middle) zone is one of the four chest radiograph zones

Radiographic appearance

Plain radiograph
  • on frontal chest radiographs, extends between the superior and inferior aspects of the lung hilum
  • using the zonal terminology for the location of findings on chest CT is generally discouraged, as a more precise lobar +/- segmental site, can usually be provided

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Cases and figures

  • Figure 1: mid zones highlighted
    Drag here to reorder.