Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac and mediastinal silhouettes are stable . There is persistent prominence and indistinctness of the hila suggesting component of pulmonary edema , which overall appears slightly improved as compared to the prior study . Basilar opacities have decreased since the prior study . No pleural effusion is seen . There is no evidence of pneumothorax . Chronic deformity of the left - sided rib cage is re - demonstrated .
    OUTPUT:
    
Prominence and indistinctness of the hila suggest vascular engorgement with possible minimal interstitial edema , improved since the prior study . Please note that pulmonary embolism can not be excluded radiographically .