Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP view of the chest demonstrates low lung volumes , which accentuate bronchovascular markings . There is no focal consolidation or pleural effusion . No pneumothorax . Hilar and mediastinal silhouettes are unchanged since prior study . Heart size is top normal . Intrathoracic aorta appears tortuous . There is mild pulmonary vascular congestion . Partially imaged upper abdomen is unremarkable .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .