Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable supine AP chest radiograph obtained . Evaluation limited due to patient rotation to the left . There is left basal opacity which could represent effusion and possibly atelectasis / pneumonia . The right lung appears clear . A PICC line is seen in the right arm tip extending to the level of the low SVC . Aortic atherosclerosis is noted . Bony structures are intact .
    OUTPUT:
    
Limited exam with left basal opacity , increased from prior , concerning for effusion with probable consolidation which may represent worsening pneumonia .