Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright frontal view of the chest . Increased opacity in the right lower lobe is new since ___ and although this opacity was present in ___ , it has significantly worsened . A small - to - moderate - sized right pleural effusion is unchanged . There is left lower lobe atelectasis , which is minimally increased since ___ and patchy opacity in the left infrahilar and retrocardiac refions . Doubt CHF . The heart size is at the upper limits of normal . The aorta is tortuous . There is no pneumothorax . Suspect bacground COPD . Incidental note mad eof old healed resection of both distal clavicles and bilateral glenohumeral osteoarthritis .
    OUTPUT:
    
Worsening right lower lobe opacity is highly concerning for pneumonia or aspiration . Chronic right pleural effusion . Patchy opacity in the left lower lobe has also increased .