Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views were obtained with patient in upright position . Cardiac enlargement mostly involving the prominent contour of the left ventricle persists . Unchanged appearance of moderately widened and elongated thoracic aorta . Upper zone distribution pattern in the pulmonary vasculature consistent with mild degree of chronic congestion . There is , however , no evidence of any significant pleural effusion accumulating in either lateral or posterior pleural sinuses . The on next previous chest - rib examination ___ ___ and PA and lateral chest ___ ___ identified extensive pulmonary parenchymal infiltrates in right upper lobe area practically disappeared . No new pulmonary abnormalities are identified . No pneumothorax has developed in the apical area .
    OUTPUT:
    
Resolution of previously identified pneumonic infiltrates in right upper lobe , persistent cardiac enlargement with mild degree of chronic pulmonary vascular congestion .