Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval removal of right IJ line . Sternotomy wires are midline and intact . Surgical clips are noted within the upper mid abdomen and overlying the right upper hemithorax . The cardiac , mediastinal and hilar contours are mildly prominent consistent with mild cardiomegaly . No pneumothorax is noted . Left pleural effusion is improved with left basal atelectasis . Compression fractures involving mid thoracic vertebrae are unchanged since the most recent prior exam .
    OUTPUT:
    
Left pleural effusion is improved with left basal atelectasis .