Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . There is linear density in the region of the right middle lobe , similar to that seen previously , likely representing subsegmental right middle lobe atelectasis . There is no definite consolidation to suggest the presence of pneumonia . No effusion or pneumothorax . Heart remains mildly enlarged . Mediastinal contour appears stable and within normal limits . Mild compression deformities in the mid T - spine are noted on the lateral view . These are unchanged .
    OUTPUT:
    
Subsegmental linear atelectasis in the right middle lobe . Stable cardiomegaly . Otherwise , normal .