This is Dr. David
your hemoglobin is going down.
this can be due to you loosing blood some place or not making enough
you need your stools checked for blood and you may need a colonoscopy to see if you are loosing blood through your colon and stool
you need blood test to check your iron (ferritin) and B12 and folate levels are low which can cause low red blood cells.
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chances for malignancy are low
ferritin levels alone can cause this
she needs to go on iron supplements.
and get her iron up.
iron should be taken with vitamin C and food which can help with iron absorption.
if this doesn't fix her hemoglobin more tests need to be run
slow leakage of blood out of the body like from a slow GI bleed
or from lack of iron in the diet, poor iron absorption in the GI tract from stomach or bowel inflammation
most cases of anemia are not caused by cancer, but caused by other issues.
yes, ferritin of 8 is low.
you still keep worrying about cancer.
your levels don't point to cancer.
low iron can cause low hemoglobin levels.
those blood test don't help to tell if you have cancer or not
you need stool testing for blood to see if there is bleeding from the colon causing loss of iron and low ferritin
colon cancer will often bleed
in the USA, we use colonoscopy often to look for early colon cancer .
if she has inflammation of the colon or stomach, she may not be absorbing iron
if she is not getting enough iron in her diet, she could have low iron.