Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient has had endobronchial lung reduction for COPD with positioning of multiple bilateral coils , which have stable appearance . Lung volume is reduced with interval increase of bibasilar opacity suspicious for developing pneumonia , probably for aspiration . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is unchanged . Enlarged central pulmonary arteries are suggestive of pulmonary arterial hypertension .
    OUTPUT:
    
Interval worsening of heterogeneous bibasilar opacities is suspicious for developing pneumonia , likely secondary to aspiration .