Dear Sir, last 10 days i have cough, so doctor told me to do chest X-ray & ECG, after checking X-ray he told me there is possibility of TB so give the sample of sputum for 3days (AFB), sputum test result are negative, so doctor gives me 5day course of antibiotic tablet & told me after completing 5day course we will do again chest X-ray, if X-ray is positive then we can start AKT. please tell me whatever he is doing is write or wrong