Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right Port -A - Cath tip ends in the right atrium . No focal consolidation , effusion , overt edema , or pneumothorax . Linear opacity in the lingula suggestive of discoid atelectasis . . Mediastinum is not widened . No acute osseous abnormality .
    OUTPUT:
    
No focal pneumonia .