Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The study is limited by marked kyphosis and the patient 's face overlying the lung apices . Within the limitations , the lung volumes are low but there is no lobar consolidation . The hilar and cardiomediastinal contours appear grossly normal . The presence of pneumothorax can not be assessed . There is no pleural effusion or pulmonary edema .
    OUTPUT:
    
No evidence of pneumonia , pleural effusion , or edema in this exam limited by poor patient positioning .