Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view of the chest demonstrates normal cardiomediastinal silhouette . Rightward tracheal deviation appears longstanding . There is worsening bilateral widespread reticular opacities can be explained by progressive pulmonary fibrosis , but concurrent pulmonary edema is certainly possible . There is no pleural effusion
    OUTPUT:
    
Progressive pulmonary fibrosis and severe centrilobular emphysema . Concurrent pulmonary edema is possible .