Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs were obtained . No focal consolidation , pleural effusion , pneumothorax or pulmonary edema is seen . There is minimal bronchial wall thickening . Heart size is normal . Mediastinal contours are normal . No bony abnormality is detected .
    OUTPUT:
    
No evidence of pneumonia or mass lesion . Minimal bronchial wall thickening may indicate an acute or chronic bronchitis . Findings were communicated with Dr . ___ by Dr .___ ___ telephone at time of observation at 16 :30 on ___ .