Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to the prior radiograph , the lung volumes are low , causing accentuation of the pulmonary vasculature . Despite the low lung volumes , the increased interstitial prominence is consistent with mild pulmonary edema . There is no consolidation , pleural effusion , or pneumothorax . The cardiomediastinal silhouette is at the upper limits of normal , and unchanged from prior exams . Prominent pretracheal soft tissue is also stable since ___ and may be due to prominent vasculature , or less likely , an enlarged thyroid . The trachea is midline .
    OUTPUT:
    
Mild pulmonary edema which is accentuated by low lung volumes .