Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable single frontal chest radiograph was obtained . An NG tube terminates in the fundus of the stomach with the side hole near the GE junction . Lung volumes are low . There is a small left pleural effusion with compressive atelectasis at the left base . The heart is mildly enlarged with pulmonary vascular congestion . There is no pneumothorax .
    OUTPUT:
    
1 . Small left pleural effusion with compressive atelectasis . 2 . Mild cardiomegaly with pulmonary vascular congestion . 3 . NG tube with its sidehole near the GE junction and may be advanced by 4 - 5 cm if possible .