Rectal Cancer
Causes
The actual cause of rectal cancer is unclear. However, the following are
risk factors for developing rectal cancer:
-
Increasing age
-
smoking
-
Family history of
colon or rectal cancer
-
High-fat diet
and/or a diet mostly from animal sources
-
Personal or family
history of polyps or colorectal cancer
Symptoms
Rectal Cancer
starts a precancerous growth called a polyp. Some polyps may turn into cancer a and penetrate the wall
of the rectum.
This cancer may
have symptoms are no symptoms. Once you observe
-
Bleeding
-
Obstruction
-
Weight loss
have a medical
checkup or go for routine medical checkup once you become aged.
Diagnosis
-
Fecal occult blood test (FOBT)
-
Endoscopy
If rectal cancer is suspected, the tumor can be physically detected
through either digital rectal examination (DRE) or endoscope.
Treatment
Rectal Cancer is
treated depending on its stage of growth. 5 stages are identified
and trated
If in stage 0
If in Stage 1
If in stage 2 and
3
-
Resection plus a
combination of chemotherapy and radiation therapy before or after
surgery
-
Resection with or
without chemotherapy after surgery
-
A clinical trial
of a new treatment
The stage 4 is
called Recurrent Rectal Cancer and the treatment may be
-
Resection with or
without a combination of radiation therapy and chemotherapy before
surgery
-
Resection or
pelvic exenteration, as palliative therapy to relieve symptoms and
improve the quality of life
-
Radiation therapy,
chemotherapy, or a combination of both, as palliative therapy to relieve
symptoms and improve the quality of life
-
Chemotherapy to
control the growth of the tumor
-
Placement of a
stent to help keep the rectum open if it is partly blocked by the tumor,
as palliative therapy to relieve symptoms and improve the quality of
life
-
Systemic
chemotherapy with or without monoclonal antibody therapy, such as
bevacizumab
-
A clinical trial
of a new anticancer drug
Treatment of
rectal cancer that has spread to other organs depends on which organ the
cancer has spread to.
Treatment for areas of cancer that have spread to the liver includes the
following
-
Regional or
systemic chemotherapy
-
Internal radiation
therapy
-
Surgery to remove
the tumor with or without chemotherapy before surgery
-
Treatment for
areas of cancer that has spread to the lung or ovaries is surgery
This information
of Treatment is an extract from the pages of
cancer.gov