Women are more likely to have pulmonary arterial hypertension, but men tend to have worse outcomes and worse treatment responses.

A 41-year-old man was evaluated for swelling in the ankles and syncope. CT of the chest showed bilateral mediastinal and ...

IQR indicates interquartile range; NA, Not Applicable; PA, pulmonary artery; RA, right atrial; RV, right ventricular; and RVSP, RV systolic pressure. Pulmonary vasodilators were used in 15 patients ...

with no enhancement in the right middle lobe branches. In D, histopathological findings in the excised middle lobe, including areas of necrosis and activated pneumocytes, consistent with pulmonary ...