Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Lungs are well inflated and grossly clear . No pleural effusion or pneumothorax . Hilar contours are normal . There is prominence of the main pulmonary artery .
    OUTPUT:
    
1 . No acute cardiopulmonary process . Mildly prominent nonspecific diffuse interstitial lung markings . 2 . There is mild prominence of the main pulmonary artery .