Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette size is normal . Mediastinal contour is unchanged . Hyperinflation of the lungs is compatible with severe emphysema . There is mild pulmonary vascular congestion . Indistinct right upper lobe opacity measuring approximately 1 .8 cm is re - demonstrated . No pleural effusion or pneumothorax is seen . Deformity of the right left humeral head is likely posttraumatic in etiology . Right lateral pleural thickening with old right - sided rib fractures are re - demonstrated .
    OUTPUT:
    
Mild pulmonary vascular engorgement . Re- demonstration of indistinct right upper lobe opacity for which a chest CT is again recommended to exclude malignancy .