Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are moderately well inflated . Obscuration of left hemidiaphragm is due to epipericardial fat . No pleural effusion . No pneumothorax . Heart is mildly enlarged . The main pulmonary artery is mildly dilated . Mediastinal contour and hila are otherwise unremarkable .
    OUTPUT:
    
1 . No acute cardiopulmonary process . Specifically , no pneumonia . 2 . Mild cardiomegaly . 3 . Mild dilatation of the main pulmonary artery can be seen with pulmonary artery hypertension .