Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left - sided pacer and leads are in stable position . A chest tube overlies the right hemi thorax . Increased density at the apex of the right lung likely reflects atelectasis and possible , focal hemorrhage status post right upper lobe wedge resection . Bilateral pulmonary opacities and pulmonary vascular engorgement likely reflects chronic heart failure . No large pneumothorax is identified . The cardiomediastinal and hilar contours are stable .
    OUTPUT:
    
Post biopsy atelectasis and / or focal hemorrhage . No pneumothorax . Bilateral opacities and pulmonary vascular engorgement likely reflect chronic heart failure .