Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly has been stable compared to exams dated back to at least ___ . Unchanged widening of the superior mediastinum is due to both mediastinal lipomatosis and tortuous vessels as seen on the prior CT from ___ . Re-demonstrated is a right - sided Morgagni hernia . There is no pleural effusion or pneumothorax . No new focal consolidations concerning for pneumonia are identified . Loss of a height of T9 vertebral body is not significantly changed compared to the prior CT from ___ . Visualized osseous structures are otherwise unremarkable .
    OUTPUT:
    
1 . No acute intrathoracic abnormalities identified . 2 . Persistent mild cardiomegaly .