Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly is re- demonstrated , unchanged compared to the prior exam . The aorta is tortuous and diffusely calcified . Linear atelectasis is noted within the right lung base . No focal consolidation , pleural effusion or pneumothorax is detected . There is no pulmonary vascular congestion . Elevation of the right hemidiaphragm is similar . Multilevel degenerative changes are seen within the thoracic spine and the right AC joint .
    OUTPUT:
    
Right basilar atelectasis . Otherwise no acute cardiopulmonary abnormality .