Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate an interval increase in opacity in the right lower lung , without air bronchograms to signal consolidation . A small nodular opacity overlying the left third posterior rib was not present on Chest CTA on ___ . Emphysema is severe , and a cluster of ring shadows in the right apex are bullae with thickened walls . Heart size is normal , peripheral and hilar pulmonary vessels are not engorged , and mediastinal contours are unremarkable . There is no effusion or pneumothorax .
    OUTPUT:
    
1 . Severe emphysema . 2 . Interval increase in the right basilar opacity , unlikely to be pneumonia , could be aspiration . 3 . Recommend repeat CXR in 1 month for acutely developed left apical nodule , primarily to evaluate possible infection .