Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is rotated to the left . The lung volumes remain relatively low . There is persistent blunting of the left costophrenic angle . Subtle blunting of the right costophrenic angle is also seen , trace pleural effusions not excluded . There is prominence of the interstitial markings bilaterally which may be due to mild interstitial edema , although atypical infection is not excluded in the appropriate clinical setting . Enlargement of the cardiac silhouette is stable . The aorta remains calcified and tortuous .
    OUTPUT:
    
Prominence of the interstitial markings may be due to mild interstitial edema although atypical infection is not excluded in the appropriate clinical setting . Possible trace pleural effusions .