Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bedside upright AP radiograph of the chest demonstrates clear lungs beside from persistent left infrahilar atelectasis . There is no pneumothorax , pleural effusion , or pulmonary edema . Severe cardiomegaly including a calcified apical ventricular aneurysm is unchanged . The AICD and two leads are unchanged . A nasogastric tube is seen and coursing through the esophagus , into the stomach , and out of field of view .
    OUTPUT:
    
Stable left infrahilar atelectasis without new airspace opacity concerning for pneumonia .