Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP chest radiograph . The patient has been extubated in the interim and the NGT removed . Left - sided subclavian catheter tip is in stable position . The left lower lobe is chronically consolidated , presumably atelectatic ( the mediastinum is anatomically located to the left ) . Right lower lung atelectasis is slightly improved . Mild interstitial edema and moderate cardiomegaly are also unchanged . There is no pneumothorax .
    OUTPUT:
    
Chronic left lower lobe atelectasis and mild pulmonary edema .