Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are relatively low lung volumes . Subtle prominence of the interstitial markings diffusely bilaterally is grossly stable since ___ , suggesting chronic pulmonary process . . No focal consolidation is seen . No pleural effusion or pneumothorax is seen . The cardiac silhouette is top - normal to mildly enlarged .
    OUTPUT:
    
No definite acute cardiopulmonary process .