The breast journal
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The purpose of this study was to describe the toxicity of concurrent standard dose adjuvant radiation therapy (RT) and paclitaxel in a series of patients receiving primary breast cancer therapy. From June 1998 to April 1999, 20 patients with breast cancer received concurrent adjuvant radiation and paclitaxel. There were 16 patients (80%) with American Joint Committee on Cancer (AJCC) stage II disease and 4 with stage III disease. ⋯ Four patients (20%) developed radiation pneumonitis, 2 of 12 (17%) in the postmastectomy group and 2 of 6 (33%) in the breast conservation group, with 2 requiring hospitalization and 1 a diagnostic open-lung biopsy. In this group of patients, standard dose concurrent radiation and paclitaxel resulted in a high incidence of cutaneous and pulmonary toxicity. Concurrent radiation and paclitaxel with these doses and schedule should be approached cautiously until further studies documenting its safety are completed.