Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to prior CXR , there has been no significant interval change . Lung volumes are low . Dual barrel Port - A - Cath resides over the right chest wall with catheter tip extending to the lower SVC . A right hilar mass is again noted with right perihilar linear density extending to the right lung base unchanged and consistent with chronic collapse of the right middle lobe . No large effusion or pneumothorax is seen . The cardiomediastinal silhouette is stable . No convincing sign of a superimposed pneumonia or edema . Overall cardiomediastinal silhouette is stable . No acute bony abnormality .
    OUTPUT:
    
Stable findings of right hilar mass and chronic collapse of the right middle lobe . No evidence of superimposed pneumonia or edema .