Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval decreased left pleural effusion following thoracentesis . There is a small left apical pneumothorax . There is no significant interval change in pulmonary vasculature or cardiomediastinal silhouette . Interstitial edema has slightly improved . Right - sided PICC , left - sided ICD and median sternotomy wires are in place and unchanged in position .
    OUTPUT:
    
Interval decrease of left pleural effusion from thoracentesis . Small left apical pneumothorax .