Can cancer be detected through blood test?
Patient: hi doc ive been having syptoms which could lead up to cancer im 19 year old male ive been for bloodtests and im afraid my parents are worrying and may of had the bloodtest information if so could a bloodtest tell that im at a late stage or possibly dieing this is my main concern Doctor: Hi, dearI have gone through your question. I can understand your concern.  Blood tesy can detect blood cancer.  Other cancer is also detected by blood test from tumour marker.  But they are not primary test.  You may have blood cancer or may not have cancer. Please send me your reports so that I can help you further. Hope I have answered your question, if you have doubt then I will be happy to answer. Thanks for using health care magic. Wish you a very good health.