Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP single view of the chest has been obtained with patient in semi-upright position . Comparison is made to the next preceding similar study dated ___ . The findings on this portable chest examination are unaltered . Previously identified right internal jugular approach central venous line remains in unchanged position . Cardiomegaly as before . Hazy densities over the lung bases persist . The pulmonary vasculature remains congested with marked perivascular haze as before . No pneumothorax is seen .
    OUTPUT:
    
Persistent findings compatible with CHF , no significant improvement during the latest one day interval .