Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a subtle new opacity within the medial right lung base which is concerning for pneumonia in this immunosuppressed patient . The remainder of the lungs are clear . There is no pulmonary edema or large pleural effusion . No pneumothorax is evident . Cardiomediastinal and hilar contours are within normal limits .
    OUTPUT:
    
Subtle right medial lung base opacity concerning for pneumonia in this immunosuppressed patient . Consider PA and lateral views for improved visualization and comparison to prior .