Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is diffuse basilar predominant honeycombing consistent with patient 's underlying history of UIP . Focal nodular opacities , calcifications and fibrotic changes within the upper lobes are similar to prior examination and are consistent with patient 's history of prior tuberculosis exposure . No acute confluent consolidation is identified . There is no evidence of superimposed pulmonary edema . No large pleural effusion is evident . Cardiomediastinal and hilar contours are within normal limits . There is no pneumothorax .
    OUTPUT:
    
Severe underlying chronic lung disease without evidence of superimposed consolidation or edema .