Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright chest radiograph ___ 13 : 12 is submitted .
    OUTPUT:
    
The patchy opacity the right base is likely not significantly changed accounting for differences in positioning but could be compatible with pneumonia in the correct clinical setting . Clinical correlation is recommended . No developing airspace consolidation is seen . Left subclavian PICC line unchanged position . Overall cardiac mediastinal contours are stable . No pneumothorax .