Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . There is no focal consolidation concerning for pneumonia . Heart size is normal . New slight new bulge of the main pulmonary artery is of uncertain significance . There are no pleural effusions . There is no pneumothorax .
    OUTPUT:
    
No evidence of pneumonia . Mild new prominence of main pulmonary artery contour , possibly normal although representing an apparent change .