Radiation Recall Mucositis After Administration of Tegafur‐Gimeracil‐Oteracil Potassium ( TS ‐1)

Key Points

• This report addresses the occurrence of radiation recall mucositis associated with the use of tegafur-gimeracil-oteracil potassium.
• Case report detailing the patient's treatment history and symptoms of mucositis post-therapy.
• The patient experienced radiation recall mucositis after administration of TS-1.
• Symptoms included painful ulceration in the previously irradiated area, requiring management.