Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A Port - A - Cath is seen over the right chest wall with the catheter tip extending to the level of the mid SVC . Median sternotomy wires are again seen and are unchanged . A nodular opacity projecting over the right lower lobe is unchanged in size from the prior radiograph and is better characterized on recent chest CT from ___ . There are small bilateral pleural effusions . An opacity at the left lateral lung base may represent atelectasis or infection . The heart is normal in size and the cardiomediastinal and hilar contours are unchanged .
    OUTPUT:
    
1 . Nodular opacity at the base of the right lung is unchanged from the prior exam . 2 . Small left pleural effusion and opacity at left base may represent atelectasis or infection .