Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are low lung volumes , which accentuate the bronchovascular markings . Given this , no focal consolidation is seen . There is no pleural effusion or pneumothorax . Cardiac and mediastinal silhouettes are grossly unremarkable .
    OUTPUT:
    
Low lung volumes , which accentuate the bronchovascular markings and the cardiomediastinal silhouette . Given this , no definite acute cardiopulmonary process .