Late relapse of small cell lung cancer treated with radiation therapy alone--case report.

This report describes an unusual case of a long-term survivor with small cell lung cancer (SCLC), treated with radiation therapy alone having a late relapse with solitary brain metastasis 6.5 years after the initial treatment. He received radiation therapy and died of the brain metastasis 8.5 years after the initial treatment. Autopsy revealed no tumor recurrence at the primary site and no distant metastases except for the brain. The histology of the brain tumor was small cell carcinoma.