Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen are multifocal patchy airspace opacities in a similar distribution to the prior study , predominately in the left base . The appearances are consistent with a multifocal pneumonia . Some of the nodular opacities may represent metastases . Persistent left basilar atelectasis and small bilateral pleural effusions . No pneumothorax seen .
    OUTPUT:
    
No significant interval change when compared to the prior study . Findings consistent with a multifocal pneumonia , metastatic disease can not be excluded .