Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size and cardiomediastinal contours are normal . There is calcification of the aortic knob . Diffuse interstitial prominence is consistent with pulmonary vascular congestion , possibly superimposed on a chronic interstitial process . Indistinct appearance of the posterior costophrenic angles is consistent with small bilateral pleural effusions . No focal consolidation or pneumothorax . Left lower rib fracture appears minimally displaced .
    OUTPUT:
    
1 . Small pleural effusions with pulmonary vascular congestion , possibly superimposed on a chronic interstitial process . 2 . Minimally displaced left lower rib fracture .