Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are normal . Linear opacities at the right lung base are likely reflective of atelectasis . There is also atelectasis at the left lung base . No focal consolidation concerning for pneumonia identified . There is a right Port - A - Cath catheter , tip is difficult to visualize .
    OUTPUT:
    
Bilateral atelectasis . No focal consolidation concerning for pneumonia .