Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest demonstrate low lung volumes , which accentuate bronchovascular markings . No pleural effusion , focal consolidation , or pneumothorax is seen . No definite pulmonary edema is noted . Hilar and mediastinal silhouettes are unchanged . Aortic arch calcifications are again noted . Heart size is top normal . Degenerative joint changes of the thoracic spine are longstanding .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .