Medication- Aspirin,diaspam and promethazine(for headache and dizziness)

I went to the doctor on the 22nd complaining of severe headache and dizziness.They first gave the aspirin and diaspam instead of becoming better am now worse.I went back to look for my result for FBC,when i get there my FBC-15.3 and there was message saying ATYPICAL LYMPHO. I WANT TO KNOW WHAT IS THIS LYMPHO.