Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No significant change since ___ when accounting for differences in imaging technique . Persistent bilateral effusions , moderate on the right and small on the left , with adjacent stable compressive atelectasis bilaterally . Stable elevation of left hemidiaphragm . The left upper lung peripheral opacity , better characterized on recent CT as a fluid and air collection , is unchanged . The lungs are otherwise clear , without focal consolidation to suggest pneumonia or pulmonary edema . No pneumothorax . Stable cardiomediastinal silhouette and hila appear Sternotomy wires , prosthetic cardiac valve , left PICC line , and enteric feeding tube read , appear intact and unchanged in position . Expected post-lymphangiogram appearance of the nodes .
    OUTPUT:
    
Persistent moderate right and small left pleural effusions .