Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views were obtained with patient in upright position . Comparison is made with the next preceding AP single view portable chest examination obtained four hours earlier during the same day . Moderate cardiomegaly is again identified . On the present examination , the patient is able to make a deeper inspiratory effort now clearly identifying bilateral pleural effusion , slightly more on the left than the right . Lateral view confirms this finding as the posterior dependent pleural sinuses are also blunted . Degree of effusion is moderate . Comparison is extended to the PA and lateral chest view of ___ , at which time similar amount of bilateral pleural effusions were present . The degree of cardiac enlargement appears to be similar . Presently , there is no advanced pulmonary congestive pattern or any signs of interstitial or alveolar edema . Right - sided Port - A - Cath system remains in unchanged position .
    OUTPUT:
    
Stable chest findings most likely representing chronic CHF .