Table 1 Protocol for diagnosis and treatment of CRC at the Sudanese Medical Centres.

From: Evaluating utility and feasibility of mismatch repair testing of colorectal cancer patients in a low-middle-income country

Work-up of suspected CRC cases

1. Colonoscopy and biopsy,

2. CT scan (chest and abdomen)

3. CEA levels

4. Early stage CRC had surgery,

5. Advanced stages (Neoadjuvant therapy before surgery)

6. Adjuvant therapy was prescribed or not according to the post-operative stage

7. Patient follow-up after surgery : colonscopy (every 3 months for 1 year, then every 6 months for 2 years, and yearly for 10 years)

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