Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral chest radiograph demonstrates clear lungs with no focal opacity convincing for pneumonia . Heart size is top - normal . Cardiomediastinal and hilar contours are within normal limits . There is no pneumothorax or evidence of pulmonary edema . Small to moderate bilateral pleural effusions are identified . A left PICC is noted its tip which projects over the junction of the left brachiocephalic and superior SVC .
    OUTPUT:
    
Small to moderate bilateral pleural effusions .