Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate clear lungs without focal consolidation . There is improved bilateral pulmonary edema with bilateral small pleural effusion . The right lung bases is better aerated . The cardiomediastinal contour or is unchanged . There is a right internal jugular central line with its tip terminating at the mid SVC . Sternotomy wires are intact . No pneumothorax .
    OUTPUT:
    
Improved aeration and pulmonary edema . Persistent small bilateral pleural effusions .