Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable upright AP chest radiograph shows a large right pleural effusion obscuring the right lung base with what appears to be loculation medially . This , as well as hazy opacity in the left mid lung are not significantly different compared to yesterday 's study , but appear increased compared to ___ . The side hole of the patient 's nasogastric tube is just above the level of the gastroesophageal junction and should be advanced . Some radiodense contrast persists in the colon , probably from abdominal CT scan .
    OUTPUT:
    
No significant radiographic change compared to yesterday 's study . Recommend advancement of nasogastric tube approximately 7 - 8 cm as the current position has side hole just above the gastroesophageal junction .