Hi doc im from philippines currently working here abroad as

Patient: Hi doc im from philippines currently working here abroad as domestic helper,I have a problem since 1month now its started in cold but until now still I feel it,I have phlegm stuck in my throat in every morning I try to spit it out first phlegm comes out with blood but not alot its uncomfortable because I feel it and it never coming out..I ddonthave coughing nothing fever or any allergies.. I am worried because maybe I do have any problem in my lungs?can I have any idea doc if what is this?should I worry?thank you

Doctor:

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