Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no evidence of focal consolidation , pleural effusion , pneumothorax , or pulmonary edema . The patient 's previously demonstrated left upper lobe mass appears smaller and less conspicuous on today 's radiograph . The cardiomediastinal contours are unchanged .
    OUTPUT:
    
No acute cardiopulmonary process . Known left upper lobe mass is less conspicuous as compared to ___ , and better evaluated on chest CT .