Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Subtle increased opacity in the right middle lobe with increased indistinctness of the right heart border compared to the prior exam could represent an early bronchopneumonia . Minimal left lower lobe atelectasis . No frank pulmonary edema or evidence of pulmonary vascular congestion . The heart is normal in size . The mediastinum is not widened . No pleural effusion or pneumothorax . Partially imaged anterior spinal fusion hardware is noted , not seen on the prior exam in ___ .
    OUTPUT:
    
Subtle increase opacity in right middle lobe may reflect early bronchopneumonia . Follow - up chest radiograph in 4 to 6 weeks after treatment to ensure resolution .