Stomach problems and diagnosed with colorectal cancer

Resolved question:
I have had problems in my stomach for the past 3-4 years. I had a burning feeling while passing stole.
I have added blood in my stool tests about 10 years ago and I was diagnosed with intestine swelling and was given medicines by local doctors which helped me heal.
In February 2013, doctors found a stone in my gall bladder and suggested that I need to get it removed via surgery. So I went ahead with the surgery and got it removed. After the surgery I had loose stole and I started losing weight (15 kg). I also had trouble with digestion and doctors say that my red cell ratios have been decreasing. In the past week I had back pain and had trouble walking. I had increased pain on the bottom right side of my abdomen (if you are facing me). Some more symptoms that I had were weakness and drowsiness.
Anyhow so I went and consulted a digestive systems specialist in the past week and he had performed a CT scan, biopsy, blood test, endoscopy, cretin test. All the results are attached.
I am diagnosed with colorectal cancer and doctors suggest a surgery to remove it and based on further examination I might need chemotherapy.
Since removing the gall bladder was not a good move so now I am hesitant with this surgery. I am attaching all the reports and would like expert advice.

Submitted: 4 Days
Category: Gastroenterologist, Surgical

• Tender lump near anus without blood. Treatment?

  ---

• Will yearly XRAY help in finding EARLY LUNG CANCER?

  ---

• Minocycline and Tylenol

  ---

• Cerazette induced withdrawal bleeding.

  ---

• Is Implantable Cardioverter Defibrillators painful?

  ---

• Weak urine stream, dribbling with burning sensation in penis.

  ---

• Dull pain in chest with AMPLATZER device after RHABDOMYALYSIS.

  ---