Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded . An ill defined opacity in the left lower lung field might represent summation of structures but a pulmonary consolidation can not be excluded . Cardiomediastinal and hilar contours are unremarkable . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Ill defined opacity in the left lower lung field might represent summation areola and other structures , but to evaluate possible small lung lesion the ED Resident has agreed to request a repeat frontal radiograph with the arms elevated , to be reported separately when obtained .