Liu Z, et al. - The effects of intra-arterial chemotherapy on T1 stage bladder cancer (Bca) were determined. Patient outcomes with bladder-preserving treatment approaches were also assessed. For patients with T1 stage Bca, gemcitabine plus cisplatin intra-arterial chemotherapy could be an effectual bladder-preserving alternative adjuvant treatment with oncologic benefits, good compliance, and low toxicity.