- An abdominal ultrasound to find the cause of pain or swelling in your belly.
- A colonoscopy to see if cancer has returned to your intestine.
- Blood tests to find out if cancer has returned (CEA) or to find the cause of symptoms such as weakness, fatigue, fever, bruising, or weight loss (complete blood count).
- A chest X-ray to find the cause of symptoms such as persistent coughing, coughing up blood, chest pain, or trouble breathing.
- A CT scan, an MRI, or a PET scan to see if colorectal cancer has spread into the chest or organs in the belly or pelvis.
- A brainCT scan or MRI to look into symptoms such as confusion, paralysis, numbness, vision problems, vertigo, or headaches.
- A biopsy, such as a liver biopsy or a lung biopsy, to find out where the cancer cells have spread.
- A bone scan to find out if cancer cells have spread to the bones.
If metastatic cancer is found, you may also have genetic tests before your doctor recommends a treatment plan. These tests look for gene changes (mutations) that can occur with colorectal cancer. They can show which chemotherapy medicines will help.
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