Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are stable . There is no pneumothorax or large pleural effusion . The lungs are well - expanded with increase in interstitial prominence at the lung bases , greater on the right . There are also small nodular opacities in the lateral aspect of the right upper lung , which may have been present on the exam from ___ . The patient is status post left mastectomy and left axillary lymph node dissection .
    OUTPUT:
    
Bibasilar streaky opacities , greater on the right , with small nodular opacities in the right upper lung , most consistent with aspiration . An infectious process is also possible .