Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest were acquired . Moderate cardiomegaly is not significantly changed compared to the most recent study from ___ , allowing for differences in technique . There has been interval removal of the previously seen left PICC . There is chronic vascular congestion and minimal right lower lung atelectasis . Changes compatible with emphysema are seen within the upper aspects of both lungs , right greater than left . The descending thoracic aorta is slightly tortuous , not significantly changed . The mediastinal contours are otherwise unremarkable . There are no pleural effusions . No pneumothorax is seen .
    OUTPUT:
    
1 . No acute cardiac or pulmonary findings . 2 . Unchanged moderate cardiomegaly . 3 . Chronic vascular congestion .