 Some doctors order "tumour markers" in the blood test to detect possible cancer activity in the body. If cancer is present, it will usually produce a specific protein in the blood that can server as a "marker" for the cancer. Tumour markers not necessarily detect all cancers and early warning signs must be diagnosed by your doctors. Imaging tools like the 256-slice DSCT, ultrasound, mammogram, etc. are used together with Tumour Markers for more accuracy in detecting cancers & tumours. Breast cancer
Yearly mammograms are recommended starting at age 40 and continuing for as long as a woman is in good health.
Colon and rectal cancer
Beginning at age 50, both men and women at average risk for developing colorectal cancer should do a colonoscopy once in every 2 years.
Cervical cancer
PAP smear once a year.
Prostate cancer
Testing of prostate-specific antigen (PSA) and digital rectal exam (DRE) yearly, beginning at age 50.
Lung cancer (for smokers)
CT scan lung about once every 1-2 years.
Ten Most Frequent Cancers in males, Peninsular Malaysia 2006
 Ten Most Frequent Cancers in females, Peninsular Malaysia 2006
 Diagram showing tumour markers / cancer associated with organs.  Tumour Sites and Relevant TestsNo
Tumor Markers
Possible Cancers
Relevant Tests
1
Ca 19.9
2
NSE
3
CEA
4
Ca 242
5
Ferritin
6
HCG
7
AFP
8
F-PSA / PSA
9
Ca 125
10
HGH
11
Ca 15-3
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