Before 5years I had plural effusion in right side of lung then they remove fluid and start 6 months dot course after completing course I fell little pain at the point where they insert needle but little pain continues now after 5 years thus pain increases bit more now please tell me what I have to do ...recently done ultrasound no plural effusion found also xray done it shows clear and doctor suggests me to for ct scan I do xt scan it also shows normal but pain still continues