Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP view of the chest provided . Right PICC ends in the low SVC . Patient is status post tracheostomy . Bilateral airspace opacities are moderately improved . No pneumothorax . Mild left pleural effusion is improved . Moderate to large right pleural effusion is worsened . Hilar and cardiomediastinal contours are normal .
    OUTPUT:
    
1 . Bilateral pulmonary edema is improved . 2 . Mild left pleural effusion is improved . Moderate to large right pleural effusion is worsened .