Detection of circulating tumour cells in peripheral blood of patients with advanced non-metastatic bladder cancer

What’s known on the subject? and What does the study add? Circulating tumour cells (CTC) have prognostic relevance for patients with different metastatic carcinomas. Detection of CTC using the CellSearch system has also been reported in bladder cancer, but mainly in patients with metastatic disease. This is the largest report demonstrating that detection of CTC in non‐metastatic bladder cancer patients is feasible using the CellSearch system....