Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are compared to previous exam from ___ . The lungs are clear of consolidation . Again , there are trace bilateral effusions . Cardiomediastinal silhouette is within normal limits . Oblong lucent structure at and below the carina , likely due to slightly dilated air-filled esophagus . Cardiomediastinal silhouette is otherwise notable for atherosclerotic calcifications at the arch . Osseous and soft tissue structures are unchanged , noting mild compression deformities of the mid thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary process .