Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP view of the chest demonstrates low lung volumes . A moderate - to - large loculated right pleural effusion is longstanding , but appears increased in size from prior exam . Moderate loculated left pleural effusion is unchanged from prior . Bibasilar opacities are noted . There is prominence of the right mediastinum , suggestive of vascular congestion . Aortic arch calcifications are noted . Heart size is top normal . Mild pulmonary edema is present . Sternotomy wires are noted . Multiple surgical clips project over left cardiac border .
    OUTPUT:
    
Moderate - to - large loculated right pleural effusion appears increased in size from prior exam . Moderate left pleural effusion is unchanged . Bibasilar opacities likely represent atelectasis or infection in the appropriate clinical setting . Mild pulmonary edema .