Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Lung volumes are low , decreased from chest radiograph ___ . There is no focal consolidation , pleural effusion , or pneumothorax . Cardiomediastinal silhouette is normal . Distended air-filled loops of colon are noted overlying the left and right upper quadrants , minimally changed from ___ and ___ .
    OUTPUT:
    
1 . No acute intrathoracic abnormality . 2 . Gaseous distended loops of colon are minimally changed dating back to a chest radiograph ___ .