Metastatic Colorectal Cancer (liver and peritoneum)

Metastatic Colorectal Cancer (Liver and Peritoneum)

Metastatic colorectal cancer occurs when cancer cells spread from the colon or rectum to distant organs, most commonly the liver and peritoneum (lining of the abdominal cavity). At this advanced stage, patients may experience abdominal pain, swelling, weight loss, jaundice (if the liver is involved), fatigue, and general weakness.

Treatment focuses on controlling disease progression and improving survival and quality of life. Management may include surgery, chemotherapy, targeted therapy, immunotherapy, or a multimodal approach. In selected patients with peritoneal metastasis, advanced treatment options such as CRS (Cytoreductive Surgery) + HIPEC (Hyperthermic Intraperitoneal Chemotherapy) are considered. This specialized procedure aims to remove visible tumors and deliver heated chemotherapy directly into the abdominal cavity to target microscopic disease.

Early detection of metastasis and timely intervention significantly improve outcomes.

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Risk Factors

Advanced stage of primary colorectal cancer
Delay in initial diagnosis or treatment
Poorly differentiated tumor cells
Presence of lymph node involvement
Inadequate or incomplete surgical removal of the primary tumor

Common Signs and Symptoms

Diagnosis of Metastatic Colorectal Cancer (Liver and Peritoneum)

Diagnosis involves a combination of imaging and laboratory tests. CT scans and MRI are commonly used to detect metastases in the liver and peritoneum. PET scans help identify metabolically active cancer spread. Blood investigations, including liver function tests and tumor markers such as CEA (carcinoembryonic antigen), assist in diagnosis and monitoring.

A biopsy of metastatic lesions may be performed to confirm cancer spread and guide treatment decisions. Early and accurate diagnosis is essential for effective management and determining eligibility for advanced treatments like CRS + HIPEC.

Treatment Options

Treatment focuses on controlling the spread and improving quality of life:

Surgery

Removal of metastatic tumors in the liver or peritoneum when feasible.

Chemotherapy

Systemic treatment to target cancer cells throughout the body.

Targeted Therapy

Drugs that attack specific molecules involved in cancer growth.

Palliative Care

To manage symptoms and maintain comfort in advanced cases.

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