Hi My Throat Has A Small Lump On The Right.

Hi my throat has a small lump on the right. It might be possible that there may be a stone, but I don't really feel any pain! Only when I look down and sometimes swallow it hurts a little. What should I do? I will give you the detail of my sickness last week. The first time I was sick was last Thursday, then Friday to now, I am still sick! But I just have a runny nose and coughing a lot so no worries. What should I do sir?