Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly without pulmonary edema . The thoracic aorta is tortuous . There is a focal reticular opacity at the right lung base , concerning of pneumonia vs . atelectasis . DISH is seen at the thoracic spine . No pleural effusion and no pneumothorax .
    OUTPUT:
    
1 . No pneumothorax . 2 . Right basilar opacity might represent early pneumonia .