Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The left lung is mildly hyperinflated , which may reflect a mild bronchitis or asthma . There is no focal consolidation , pulmonary edema , pneumothorax , or pleural effusion . The cardiomediastinal silhouette is normal . No fracture is identified . Irregularities along the anterior left lower ribs is likely at the junction of the rib and the costo-chondral cartilage .
    OUTPUT:
    
Mild left lung hyperinflation , possibly from a bronchitis or asthma . No evidence of a pneumothorax .