Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral radiographs of the chest demonstrate low inspiratory lung volumes , slightly decreased from ___ . The lungs are clear without focal consolidation , pleural effusion , or pneumothorax . There is mild central vascular congestion without definite interstitial pulmonary edema . The cardiac silhouette is mildly enlarged but unchanged from the preceding study . The mediastinal and hilar contours are within normal limits and unchanged with mild prominence of the azygous vein noted . The right glenohumeral joint laxity is noted .
    OUTPUT:
    
1 . Mild central pulmonary vascular congestion . 2 . Stable cardiomegaly .