Hello my mother s neck (left side) little bit shallow.after consultation with medicine DR.he give some medicine and referred to a surgical Dr. After surgery Biopsy report shows there is germs of tb. And from last day her treatment for tb is continue nd Dr.said she need to take medicine till 1 year .so is there any difficulties? And is this contagious. If so how it ill? What type of caution we need to take if contagious.pls let me know.