It stands for Carcinogenic Embryonic Antigen.
Is used primarily to monitor the treatment and possible recurrence of colorectal carcinoma.
Put it in a simple way, when you go for checking, the higher the value, the jia lat you are...
Reference Range = 0-4µg/L
Borderline = 4-10 µg/L
Last year dad went for chekcing and the reading is 2.2
Last saturday... 2.1
Last friday i jit thao cannot sleep. but now since the reading is normal, then i become normal abit liao.