Hi My Name Is Bryan !!! I Have Been Put

Hi my name is Bryan !!! I have been put on caprin aspirin to thin out my blood ... I will be going to see my hematologist in a couple of weeks time for a check up I am 40 years old .....I feel very tired pains and aces all over my body feel very dizzy my eyesight seems to be getting very blurred ...he did not exately tell me what was wrong with me but something was wrong with my bone marrow my red cells were not producing enough of oxygen I have stopped smoking in the last eight weeks!!!my question is could I have some sort of cancer ???or blood disorder ...thank you