Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right lung is clear . There is a hazy opacity covering the left lower lung fields . The left hemidiaphragmatic contour has been effaced . The nasogastric tube passes through the esophagus , but remains coiled in the left lower thorax , over the cardiac silhouette , suggesting an intrathoracic stomach . Further history was provided and the patient 's name is ___ ___ and a prior chest CT was compared from ___ , showing that the patient has a large left - sided diaphragmatic hernia . There is no pneumothorax . An endotracheal tube terminates no less than 3 .4 cm above the carina . The hilar and cardiomediastinal contours are normal . Pulmonary vascularity is normal , and there is no edema .
    OUTPUT:
    
1 . Moderate left pleural effusion . 2 . Chronic intrathoracic stomach due to diaphragmatic hernia . 3 . No evidence of pneumonia or pulmonary edema .