Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP single view of the chest has been obtained with patient in sitting semi-upright position . Analysis is performed in direct comparison with the next preceding similar study of ___ . Unchanged evidence of cardiac enlargement , pulmonary congestion and bilateral pleural effusions . No evidence of new discrete local parenchymal infiltrates and no evidence of pneumothorax .
    OUTPUT:
    
Similar as on next preceding examination of ___ , the portable examination shows unchanged findings . Consider detailed chest examinations in this patient who allegedly has history of lung cancer .