Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs demonstrate a normal cardiomediastinal silhouette and well - aerated lungs which are clear . There is no pleural effusion or pneumothorax . A rounded calcific density projecting just medial to the left glenoid is unchanged . A compression deformity of a lower thoracic vertebral body is of unclear chronicity , new since ___ but without recent imaging available for comparison .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Compression deformity of a lower thoracic vertebral body , of unclear chronicity .