Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . Dual - lead pacer is unchanged with aortic endograft again seen with unchanged positions . Lung volumes are low . There is a similar appearance of bilateral reticulonodular opacities as compared with the prior radiograph , which may represent mild edema . No large effusion or pneumothorax is seen . Overall , cardiomediastinal silhouette appears stable . Bony structures are intact .
    OUTPUT:
    
No significant interval change with bilateral reticulonodular opacities , possibly reflective of edema , though consideration may be given to benefit of a chest CT for further characterization .