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. Author manuscript; available in PMC: 2015 Apr 1.
Published in final edited form as: Acad Radiol. 2014 Apr;21(4):523–530. doi: 10.1016/j.acra.2013.12.015

Figure 1.

Figure 1

Vessel measurements obtained from CT scans. (a) The diameter of an enlarged pulmonary artery (PA) from an IPAH patient (compare with the aorta (A) diameter). (b) An aorta and pulmonary artery diameter from a “normal” patient.