Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . Previously identified right upper lobe consolidation has resolved . There is however some subtle opacity at the right lung base seen as increased density in the posterior costophrenic angle . Elsewhere the lungs are clear . There is no effusion . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormality detected .
    OUTPUT:
    
Right lower lobe opacity concerning for infection in the proper clinical setting . Recommend repeat after treatment to document resolution .