<prompt> A 35-year-old hypertension patient has the following CXR in annual medical checkup. What does it show?Left ventricular hypertrophyPulmonary artery hypertensionCoarctation of aortaCor pulmonale  <response>: Ans. C. Coarctation of aortaNotice the following radiographic features:a. Normal vascularityb. Cardiomegalyc. Left ventricular prominenced. 3 sign; formed by pre-stenotic dilatation of aortic arch, indentation at the site of coarctation and post stenotic dilatation of descending Aorta. 