Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are well - expanded . There is a 3 x 3 cm a mass in the right mid lung , which has increased over the interval . The heart appears enlarged , stable . No pneumothorax or pleural effusion .
    OUTPUT:
    
There is a 3 x 3 cm mass in the right mid-lung , which has increased over the interval .