Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views were obtained with patient in upright position . Analysis is performed in direct comparison with the next preceding PA and lateral chest examination of ___ . The heart size is moderately enlarged . In comparison with the preceding study of ___ , the at that time existing mild cardiac enlargement has further increased . There is no typical configuration abnormality ; however , the left ventricular contour is more prominent than normally . The pulmonary vasculature shows now a mild degree of perivascular haze on the bases and the pleural spaces show a touch of mild degree of blunting of the lateral and posterior pleural sinuses , all consistent with mild degree of chronic left - sided CHF . There is no evidence of new discrete pulmonary parenchymal infiltrates and no pneumothorax exists in the apical area . Skeletal structures of the thorax remain unchanged and grossly within normal limits .
    OUTPUT:
    
Mild progression of cardiac enlargement with mild degree of pulmonary congestion . Consider dehydration therapy , possible chest x-ray followup to confirm the official results .