Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Atelectasis is noted at the left lung base . The previously noted linear opacity at the right mid lung is not clearly visualized on this study . The cardiomediastinal silhouette and hilar contours are stable . No left pleural effusion or pneumothorax is seen . A right chest Port - A - Cath terminates in the distal SVC .
    OUTPUT:
    
Atelectasis at the left lung base . No focal consolidation .