Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . The appearance of the chest is unchanged with mild reticular opacities which could reflect mild edema or underlying fibrosis . No large effusion or pneumothorax . No convincing signs of pneumonia . Cardiomediastinal silhouette appears normal . External artifact projects over the right shoulder . Bony structures appear intact .
    OUTPUT:
    
Scattered bilateral reticular opacities raise concern for mild edema versus mild fibrosis . Overall appearance is unchanged .