Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . Lung volumes are low which limits evaluation . There is no definite sign of pneumonia or overt CHF . No pleural effusion or pneumothorax is seen . Heart size is top normal . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Limited due to low lung volumes without acute intrathoracic process .