Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright chest film ___ at 15 46 is submitted .
    OUTPUT:
    
The patient 's mandible obscures the lung apices . The patchy opacity at the right lung base is less well appreciated due to differences in positioning but is likely not changed . No new area of consolidation is appreciated . There is no evidence of pulmonary edema . No large pneumothorax is seen . Overall cardiac and mediastinal contours are likely unchanged given differences in patient positioning . Deformity of the right proximal humerus is consistent with old fracture .