Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The left lung is clear . In the right lower lung , there is a new area of peribronchial opacification , not reaching the level of consolidation . There are no pleural effusions . The heart size is unchanged . There is no vascular congestion . There is no pneumothorax . Pleural surfaces are normal . The inferior - most sternal wire is newly fracture .
    OUTPUT:
    
Uncertain mild infection in the peribronchial region of the right lower lung , with heart failure a less likely possibility .