Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Left wall Dual - lead pacing device is again seen . There has been interval improvement in the appearance of previously seen vascular engorgement . Linear left basilar opacity is most likely atelectasis given relatively low lung volumes . Cardiomediastinal silhouette is stable in configuration . Prior effusions are no longer visualized . Surgical clips project over the neck . Degenerative changes are seen at the right shoulder . No acute osseous abnormality is identified .
    OUTPUT:
    
Interval improvement of previously seen vascular congestion and small effusions . No definite acute cardiopulmonary process .