Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is new small right apical pneumothorax . Right lung base opacity and mild left lung base atelectasis is similar to ___ . Cardiomediastinal silhouette is unchanged . The right subclavian line and infusion port are unchanged in position . Prosthetic mitral valve is noted .
    OUTPUT:
    
There is new small right apical pneumothorax . Right lung base opacity is similar to prior .