Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . In this patient with history of lung cancer , a Port - A - Cath is again seen residing over the right chest wall with catheter tip in the region of the mid SVC . The lungs appear clear , though volumes are low . No definite signs of pneumonia or CHF . There was mild blunting of the CP angles posteriorly which likely reflects the presence of small bilateral pleural effusions . The heart size can not be assessed and the mediastinal contour appears stable . Bony structures are intact .
    OUTPUT:
    
Probable tiny pleural effusions . Port - A - Cath in appropriate and unchanged position . No definite signs of pneumonia .