Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right pleural effusion has mildly improved . Mild cardiomegaly is unchanged . Flattened hemidiaphragms suggest COPD . There is no focal consolidation , vascular congestion , or pneumothorax . The cardiac , hilar , and mediastinal contours are within normal limits . An old compression deformity is seen in the thoracic spine . However , immediately inferior to this is a new compression deformity .
    OUTPUT:
    
1 . No acute cardiopulmonary abnormality . 2 . Compression deformity of the lower thoracic spine , new since ___ .