Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Minimally increased interstitial markings in the lung bases likely represent mild interstitial pulmonary edema . There is no focal consolidation , pleural effusion , or pneumothorax . The left pectoral pacemaker and its leads project in unchanged location . Hyperinflation suggesting underlying COPD is unchanged . The cardiomediastinal silhouette , including mild cardiomegaly , is unchanged .
    OUTPUT:
    
Probable mild pulmonary edema . No focal consolidation .