Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The tip of the ET tube is approximately 4 cm from the carina , in appropriate location . The lung volumes are decreased . There is mild pulmonary edema . There is mild cardiomegaly . Normal hilar and mediastinal structures . No pneumonia and no pleural effusions .
    OUTPUT:
    
ET tube tip is approximately 4 cm from carina . Decreased lung volumes . Mild pulmonary edema with mild cardiomegaly .