Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Lung volumes are low , exaggerating heart size . Mediastinal contours are normal . Bronchial cuffing and diffuse prominent interstitial markings suggest an interstitial abnormality , possibly bronchitis . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax .
    OUTPUT:
    
Diffuse mild interstitial pulmonary abnormality compatible with bronchitis . Followup chest radiograph indicated if symptoms persist more than two weeks .