Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Background diffuse nodular opacities representing metastases are stable . Slight worsening in the bibasal atelectasis with low lung volumes . The heart size is normal . The hilar and mediastinal contours are normal . No pneumothorax . A small right - sided pleural effusion is seen .
    OUTPUT:
    
Innumerable nodules representing metastatic disease . Slight worsening of bibasal atelectasis .