Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and CABG , with sternotomy wires that appear intact and in appropriate alignment . There is a new small left pleural effusion tracking into the major fissure the lateral view . There is also mild right basilar atelectasis . Increased AP diameter and flattening of the lungs suggests underlying COPD . Mild enlargement of the cardiac silhouette . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . No pneumothorax is seen . There are multiple wedge - shaped deformities of the thoracolumbar spine , representing compression fractures .
    OUTPUT:
    
1 . New small left pleural effusion , with mild cardiomegaly . 2 . Mild bi - basilar atelectasis . 3 . Hyperinflation to suggest COPD . 4 . Multiple wedge - shaped compression fractures .