Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: By report , the the patient is status post left upper resection . Compared with the prior film , the Port - A - Cath type catheter is no longer visualized . Overall appearances are similar , with bilateral effusions ; left apical pleural thickening , left hilar retraction , can tenting along the left hemidiaphragm ; and pleural thickening and / or fluid at the left base laterally . Also again seen is patchy opacity at the right base , with pleural thickening along the right chest wall . The opacity at the right base may be slightly more pronounced on the current study . Otherwise , no gross change is identified .
    OUTPUT:
    
Possible increased opacity the right base , though the appearance is relatively similar to the ___ radiograph . In this setting , it would be difficult to exclude a superimposed opacity , but no new area of involvement is detected .