Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Lungs appear hyperinflated which could reflect COPD . Coarsened reticular markings are noted which could reflect mild underlying fibrosis versus emphysema . No focal consolidation concerning for pneumonia . No evidence of edema . The heart appears mildly enlarged . Mediastinal contours unremarkable . No pneumothorax or effusion . Bony structures are intact .
    OUTPUT:
    
COPD with possible mild fibrosis . No convincing sign of pneumonia or edema .