Jay03

Thank you so much for this information. I'll pursue my dream and hopefully all goes well. 

If your visa application requires a medical examination, once they notice scarring on your X-rays, you'll be required to go through a sputum test, to see if there is an active infection. 
 
The following steps depend on the results.
 
This link might give you more information on the matter:
https://www.cdc.gov/immigrantrefugeehealth/panel-physicians/tuberculosis.html#sputum