Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with the prior examination , there is significant increase in conspicuity of interstitial markings , more pronounced in the lung bases , with indistinctness of the hila . There might be small bilateral pleural effusion , which were not clearly seen in the prior exam . There is no pneumothorax . Unchanged cardiomegaly .
    OUTPUT:
    
Constellation of findings compatible with mild interstitial edema .