Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate a normal cardiomediastinal silhouette . The lungs are well aerated and demonstrate a vague opacity in the left lung base , which may represent left lower lobe pneumonia . A right mid lung calcified granuloma is unchanged . There is also a new small right pleural effusion . There is no pneumothorax .
    OUTPUT:
    
1 . Possible left lower lobe pneumonia . 2 . New small right pleural effusion . These findings were communicated via telephone by Dr . ___ to Dr . ___ at ___ on ___ , approximately 30 minutes after discovery .