Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is blunting of the posterior costophrenic angle suggesting trace pleural effusions . Bibasilar atelectasis is seen . There is diffuse mild increase in interstitial markings bilaterally , which may relate to chronic lung disease with possible minimal interstitial pulmonary edema . The cardiac and mediastinal silhouettes are stable . The aortic knob is calcified .
    OUTPUT:
    
Trace bilateral pleural effusions with possible minimal interstitial edema .