Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . On lateral view , there is opacity projecting over the spine , likely corresponding to a left basilar opacity . Cardiomediastinal silhouette is normal . There is no pleural effusion or pneumothorax . There is no overt pulmonary edema . A single air - filled distended loop of likely large bowel is seen in the left upper quadrant . There is no acute osseous abnormality .
    OUTPUT:
    
Likely left basilar opacity seen on lateral view suspicious for left lower lobe aspiration or infection .