Pseudohorseshoe lung.

@article{Singh2008PseudohorseshoeL,
  title={Pseudohorseshoe lung.},
  author={Navneet Singh and Ritesh Agarwal and Dheeraj Gupta},
  journal={CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne},
  year={2008},
  volume={178 4},
  pages={394}
}