Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Stable cardiomegaly and tortuosity of the thoracic aorta . Stable , chronic diffuse interstitial lung disease pattern . Previously seen focal opacity in the right lower lobe causing partial obscuration of the posterior right hemidiaphragm is no longer seen . No pleural effusion or pneumothorax .
    OUTPUT:
    
Interval resolution of the focal opacity in the posterior right lower lobe .