Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There are areas of linear atelectasis / scarring in the right middle and lower lobes . Subtle blunting of the posterior costophrenic angle on the lateral view may be artifactual , although trace pleural effusions are not excluded . The cardiac silhouette remains enlarged . Mild pulmonary edema is again seen , similar to prior . Surgical clips are again seen projecting over the left axilla .
    OUTPUT:
    
Persistent mild cardiomegaly and mild pulmonary edema . Areas of atelectasis / scarring .