Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single frontal radiograph of the chest was acquired . There is redemonstration of a left - sided pacemaker with associated right atrial and right ventricular leads , not significantly changed . There is new consolidation at the left lung base , representing some combination of atelectasis and / or infection as well as a small left pleural effusion . Streaky right lower lung opacities are likely secondary to atelectasis . There may be a small layering pleural effusion on the right . No pneumothorax is seen . The heart is mildly enlarged , slightly increased compared to the prior study . There is engorgement of the pulmonary vasculature .
    OUTPUT:
    
1 . Findings consistent with left lower lung atelectasis and / or pneumonia . 2 . New small left pleural effusion and possible small right layering pleural effusion . 3 . Increased mild - to - moderate cardiomegaly with pulmonary vascular congestion .