Figure 2. CT pulmonary angiography scans depicting a flap in the area of dissection in the pulmonary artery trunk (PAT; in A); in situ thrombus (TB) and the entry tear (ET, arrow) into the false lumen (FL; in B); the area of dissection (in C); and three-dimensional volume rendering reconstruction (in D). PA: pulmonary artery (lumen); RA: right atrium; and RV: right ventricle.