Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient 's condition required examination in sitting upright position using AP frontal and left lateral views . Comparison is made with the preceding PA and lateral chest examination of ___ . The previously existing marked cardiac enlargement has regressed but moderate cardiac enlargement remains . Generally widened and markedly elongated thoracic aorta as before . No new local contour abnormalities are identified . Previously existing distended pulmonary vasculature , significant perivascular haze has improved and the pulmonary vasculature is now unremarkable . The lateral and posterior pleural sinuses are free , thus no evidence of accumulating pleural effusion . No evidence of pneumothorax in the apical area on the frontal view with no evidence of new parenchymal infiltrates suggestive of pneumonia .
    OUTPUT:
    
Successfully resolved CHF . No new abnormalities .