Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate bilateral extensive parenchymal abnormalities , which , when compared to chest radiographs dated ___ , appear improved . These findings are consistent with known lympahngitis bilateral spread of malignancy . There does not appear to be a new focal consolidation , though it is difficult to definitively rule out a pneumonia in the setting of bilateral opacities . Opacifications are worse when compared to film in ___ , raising the question of recurrent pneumonia on today 's examination . The cardiomediastinal and hilar contours are stable in appearance . A left - sided subclavian port is seen with its terminal tip at the cavoatrial junction . There is no pneumothorax .
    OUTPUT:
    
Extensive parenchymal abnormalities largely extensive metastatic carcinoma which appears mildly improved from ___ but worse when compared to Spetember ___ film , raising the possibility of recurrent pneumonia .