Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A tip of a left Port - A - Cath lies in the low superior vena cava . Indistinct nodular opacities in the left lung base are consistent with known metastatic disease and better demonstrated on the prior CT . There is bilateral pleural thickening and small pleural effusions that appear relatively unchanged in size since ___ . The cardiac and mediastinal contours are normal . The upper bowel gas pattern is unremarkable .
    OUTPUT:
    
Unchanged small bilateral pleural effusions and pleural thickening consistent with known metastatic disease .