Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . Lower inspiratory effort seen on the current exam . Opacification the left lateral costophrenic angle is again seen may be due to atelectasis . There is no focal consolidation or effusion . The cardiomediastinal silhouette is unchanged . Atherosclerotic calcifications seen at the aortic arch . Mild height loss of a lower thoracic vertebral body is unchanged . No acute osseous abnormality .
    OUTPUT:
    
No acute cardiopulmonary process .