Desmoid tumour of the anterior abdominal wall (rectus sheath) commonly occurs in women post abdominal surgery. Metastasis from colorectal cancer to the anterior abdominal wall, on the other hand, is rare and produces a complex management dilemma. This Case study presents a 57-year-old woman who received a curative laparoscopic low anterior resection and adjuvant chemoradiation in 2013. Seven years later, she presented with an asymptomatic anterior abdominal wall lump. Clinically, the lump appeared to be a desmoid tumour. A wide local excision of the lump was carried out and the final histopathology showed a metastatic lesion (adenocarcinoma). With adjuvant chemotherapy, the patient is now disease-free and doing well. A possibility of distant metastasis must be kept in mind for all patients, even when they have undergone curative resection with adjuvant chemoradiation for colorectal cancer.
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