Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . Lateral view is markedly limited due to the patient 's arm overlying the field of view . On the frontal radiograph , the lung volumes are low which also limits the evaluation , though allowing for this , there is no definite sign of pneumonia or CHF . No large pleural effusion or pneumothorax is seen . The heart and mediastinal contour appear normal . There are atherosclerotic calcifications along the aortic knob . The imaged bony structures appear intact .
    OUTPUT:
    
Limited , negative .