Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low leading to crowding of the bronchovascular structures . Allowing for this , there is no focal consolidation , pleural effusion , or pneumothorax . Allowing for projection and low lung volumes , the cardiomediastinal silhouette is unchanged from prior examination .
    OUTPUT:
    
No acute cardiopulmonary process . Low lung volumes with crowding of the vasculature .