Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright chest radiograph was provided . There is a dextroscoliosis of the thoracic spine . There is a large retrocardiac opacity which could in part reflect the tortuous thoracic aorta , though a hiatal hernia can not be excluded . The heart is mild to moderately enlarged . No effusion or pneumothorax . No signs of pneumonia or pulmonary edema . Bony structures appear intact . A calcific density is seen in the right shoulder inferior to the glenohumeral joint , of unclear etiology .
    OUTPUT:
    
Cardiomegaly , tortuous thoracic aorta , possible hiatal hernia . No pneumonia or CHF . Calcification inferior to the right glenohumeral joint , correlate for focal pain .