Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest again demonstrate increased opacity projecting over the right middle lobe . There is obscuration of the right heart border and increased interstitial markings , slightly more peripherally . These findings appear slightly more conspicuous on the current exam with more dense consolidative component potentially due to progression of disease . Elsewhere , the lungs are clear . Surgical clips are seen in the region of the AP window . Cardiomediastinal silhouette is unchanged . No acute osseous abnormality is identified .
    OUTPUT:
    
Slight increased opacity projecting in the region of the right middle lobe , worrisome for progression of disease although superimposed infection is also possible .