Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate low lung volumes which accentuate bronchovascular markings . There is no pleural effusion , focal consolidation or pneumothorax . Hilar and mediastinal silhouettes are unchanged . Heart is mildly enlarged . There is no pulmonary edema . Spinal stimulator device is stable in position . Partially imaged upper abdomen is unremarkable .
    OUTPUT:
    
Low lung volumes . No consolidation .