RESUMEN
<p><b>OBJECTIVE</b>To assess the clinical effects of (125)I interstitial brachytherapy for malignant tumors.</p><p><b>METHODS</b>One hundred and twelve patients with malignant tumors of stage II stage and III under went radical resection combined with (125)I intraoperative implantation. Seven days and three month after operation WBC count and immune markers were observed. Blood biochemistry ultrasonography and X-ray were performed to observe recurrence and metastasis of tumors per three months.</p><p><b>RESULTS</b>In the 112 patients, 3 died of tumor recurrence in six months, and others survived with the longest time of 35 months.</p><p><b>CONCLUSION</b>(125)I interstitial brachytherapy for malignant tumor is simple, safe and effective.</p>