Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal silhouette including mild cardiomegaly is unchanged . At reticular interstitial opacities along the periphery of the lower lobes bilaterally are more prominent compared to prior examination . Otherwise , there is no focal consolidation or pleural effusion . No pneumothorax . Bones are grossly unremarkable .
    OUTPUT:
    
1 . Increased interstitial opacities along the periphery of the lower lobes bilaterally . 2 . No focal consolidations to suggest lobar pneumonia .