Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Increased interstitial markings bilaterally , basal predominant , consistent with fibrosis / chronic lung disease , possibly slightly increased as compared to the prior study . Slight increased since the prior study may be due to overlying minimal edema or acute exacerbation on chronic disease . There is persistent blunting of the right costophrenic angle . No large pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Basilar predominant increased interstitial markings bilaterally , this patient with chronic interstitial lung disease , appears slightly increased in the upper to mid lung zones which may be due to superimposed mild interstitial edema or acute exacerbation of chronic lung disease . No lobar consolidation .