Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Upright portable AP view of the chest was provided . The left chest wall Port - A - Cath is unchanged in position with catheter tip in the expected region of the low SVC . Bilateral pleural effusions , small in size , persist . There is pulmonary interstitial edema which appears slightly increased from prior exam . Lower lung opacities could represent atelectasis , though the possibility of pneumonia is difficult to exclude . There is no pneumothorax . The heart is top normal in size . Mediastinal contour is normal . Bony structures are intact .
    OUTPUT:
    
Slightly increased pulmonary edema and small persistent pleural effusions . Lower lung opacities appear increased , could represent atelectasis or possibly pneumonia . Mild cardiomegaly unchanged .