My Father Is 58 Years Old... He Is Patient Of

My father is 58 years old... he is patient of sugar nd hepatitas.... 3 years ago we did the treatment of six months for hepatitas. 72 Injections he used for treatment during six month.... but he did not go for lab test after treatment.... now two ago his test of hcv pcr qualitative has come.... thr is written detected in result.... nd in remarks written... gray zone positive.. repeat after one month.... what should we do.....