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 . The heart is mildly enlarged . A post-pyloric nasoenteric tube is in place .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .