my father noticed blood in sputum is it cancer
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hello doctor my father is years old he is a patient having do cad cab it cod and sht now he has severe cough for more than 15 days and can see blood occasionally while spitting he is also undergoing dialysis twice in a week his present hemoglobin is 1 creatinine is 6 and urea is 81 I am worried whether it is cancer please help