Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is again seen a left - sided Port - A - Cath with distal tip projecting over the upper right atrium , in stable position . The cardiomediastinal silhouettes are unchanged in appearance . The bilateral hila are stable . There has been interval increase in right basilar linear opacities , most notably a more prominent area of consolidation in the right lower lung zone which is now confluent in comparison to prior study . This may represent atelectasis or developing pneumonia depending upon clinical context . There are again seen areas of atelectasis in the left lower lung , obscuring the left hemidiaphragm . The previously described small right pleural effusion is not currently seen . There is no pulmonary vascular congestion . There are no pneumothoraces .
    OUTPUT:
    
Increased area of consolidation in the right lung base , concerning for developing pneumonia versus atelectasis .