PA chest x-ray shows an increased cardiothoracic ratio (52%).
There is blunting of the costophrenic angles bilaterally, and some bilateral linear opacities in the lower zone due to bilateral pleural fluid also in the interlobar fissures.
Lateral chest x-ray shows blunting of the costophrenic angles due to small pleural effusion and a pericardial fat stripe also known as a sandwich- or oreo cookie sign representing pericardial effusion.