Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is enlarged . Mediastinal contour is normal . There is no pleural effusion or pneumothorax . There is an area of linear asymmetry in the right lung zone . There is no frank pulmonary edema .
    OUTPUT:
    
Area of asymmetry in the right mid lung zone which could represent a prominent vessels howeve , r given the clinical history a superimposed pneumonia could be considered .