Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portions of the right heart border are obscured to a greater degree than on the previous examination , localized anteriorly on the lateral , is concerning for an early right middle lobe pneumonia or intervally developed scarring from prior infection . The remainder of the lung is well aerated . A left midlung nodule is new from the previous examination in ___ . There is no pleural effusion or pneumothorax . Heart and mediastinal contours are unchanged with clips projecting over the anterior chest .
    OUTPUT:
    
1 . Early right middle lobe pneumonia . Four to six weeks ' followup radiograph is recommended to ensure resolution after treatment . 2 . Left midlung nodule , new since ___ . If interval studies are made available an addendum with updated recommendations can be issued ; however , in the absence of previous examinations , in light of the patient 's history CT of the chest should be obtained . Findings were discussed with Dr . ___ at ___ on ___ by phone by Dr . ___ .