Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly is increased compared to the previous chest radiograph , partially accentuated by slightly low lung volumes . The aorta remains tortuous . There is minimal pulmonary vascular congestion without overt pulmonary edema . Subsegmental atelectasis is seen within the right middle and lower lobes . No focal consolidation , pleural effusion or pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
Moderate cardiomegaly , increased in size from the prior study . Mild pulmonary vascular congestion without overt pulmonary edema . Right basilar atelectasis .