Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are slightly reduced leading to crowding of the bronchovascular structures . Linear atelectasis is noted overlying the left mid lung . There is no evidence of focal consolidation , pleural effusion , pneumothorax , or pulmonary edema . The cardiomediastinal silhouette is within normal limits . There is no evidence of subdiaphragmatic air . A known T8 thoracic vertebral compression fracture is noted , similar appearance as compared to ___ .
    OUTPUT:
    
No evidence of subdiaphragmatic air or acute cardiopulmonary process .