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Authors' response to assessment of intraparenchymal lung collateral ventilation
  1. Helen Marshall1,
  2. Rod Lawson2,
  3. Jim M Wild1
  1. 1Department of Academic Radiology, University of Sheffield, Sheffield, South Yorkshire, UK
  2. 2Respiratory Medicine, Sheffield Teaching Hospitals NHS Trust, South Yorkshire, UK
  1. Correspondence to Professor Jim M Wild, Department of Academic Radiology, University of Sheffield, C Floor, Royal Hallamshire Hospital, Glossop Road, Sheffield, S10 2JF, UK; j.m.wild{at}

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We thank the writers of the letter1 for their interest and agree that the potential placement of this novel imaging method in the planning of patient treatment, such as bronchoscopic and surgical lung volume reduction, is not yet determined.

The example of collateral ventilation shown in figure …

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  • Competing interests None.

  • Ethics approval Ethics approval was provided by South Yorkshire REC (REC reference: 10/H1310/11).

  • Provenance and peer review Not commissioned; internally peer reviewed.