My brother getting fever since two week and has sever cough too and has lost 9 kgs.. he went to doc they asked to take x ray and found that there is fluid  present in lungs and were saying to do surgery to remove all fluid and need to do tb test after that ... I am getting really afraid what it would be is there any serious what does these symptom direct ... what test need to be taken to confirm ... pls it's urgent anyone pls reply