Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are reasonably well expanded . A loculated left lower lateral chest pleural fluid collection or pleural thickening is seen with surrounding hazy parenchymal pulmonary opacities . Remainder of the lungs are clear . There is no pneumothorax . The heart is normal in size and cardiomediastinal contours .
    OUTPUT:
    
Left lower lung pulmonary opacity with adjacent pleural thickening or loculated pleural effusion concerning for pneumonia with parapneumonic effusion though empyema can not be excluded by imaging features .