Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable supine frontal view of the chest . There are median sternotomy wires and mediastinal clips from prior CABG . A small left pleural effusion appears decreased since ___ . There is no pneumothorax . There is bibasilar opacities most likely representing atelectasis ; however , no areas of consolidation or pulmonary edema are seen . The heart size is enlarged but stable . The previously seen left apical pneumothorax has resolved .
    OUTPUT:
    
Stable cardiomegaly and decreased small left pleural effusion .