Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest were provided . Lung volumes are low . Bronchovascular crowding and atelectasis noted in the lower lungs . No large consolidation , effusion or pneumothorax is seen . The heart and mediastinal contour appear grossly stable . No definite fracture is identified .
    OUTPUT:
    
Limited exam , basilar atelectasis , no definite acute traumatic findings . If strong clinical concern , PA and lateral views or chest CT would be recommended .