(Downloading may take up to 30 seconds. If the slide opens in your browser, select File -> Save As to save it.)
Terms and Conditions for Use
Click on image to view larger version.
View larger version (290K)
Figure 9. AP window reflection. On a posteroanterior chest radiograph, the AP window reflection (arrowhead) extends from the aortic knob to the left pulmonary artery and has a normal concave appearance. The aortic-pulmonary reflection (arrow) is a more anterior line and extends from the aortic arch to the level of the left main bronchus.
