Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is moderate cardiomegaly , exaggerated by low lung volumes . The aorta is tortuous , following the contours of a marked thoracic dextroscoliosis . No pleural effusion or pneumothorax is present . There is mild atelectasis at the right lung base but no consolidation or pulmonary edema . Degenerative change of the bilateral humeral heads is seen with loss of joint space and subchondral cysts . A ventriculoperitoneal shunt is seen .
    OUTPUT:
    
Moderate cardiomegaly with significant thoracic dextroscoliosis . No evidence for congestive heart failure or pneumonia .