Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes and atelectasis is seen , and no consolidation , pleural effusion or pulmonary edema is seen . The cardiac silhouette is enlarged secondary to AP radiograph technique and low lung volumes . Previously seen rightward tracheal deviation has resolved .
    OUTPUT:
    
Low lung volumes and atelectasis . No consolidation to suggest pneumonia .