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Third left pulmonary lobe

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Footnotes

  • LZ and QX are joint first authors.

  • LZ and QX contributed equally.

  • Contributors YZ contributes to conceptualisation, organisation and data collection. LZ and QX collected the clinical data and drafted the manuscript. NY and AL gave critical comments and suggestions. All authors approved the final version of the manuscript.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

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