Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no focal consolidation , pleural effusion , pulmonary edema , or pneumothorax . The cardiomediastinal silhouette is within normal limits . Biapical pleural and parenchymal scarring is unchanged from recent prior studies .
    OUTPUT:
    
1 . No evidence of acute cardiopulmonary process . 2 . Grossly stable biapical pleural and parenchymal scarring .