Spontaneous 19-year regression of oat cell carcinoma with scalene node metastasis.

This is the first case report of a patient with oat cell carcinoma of the lung with scalene node metastasis who, without treatment, is alive 19 years after the original diagnosis was made by biopsy. Seven years before the publication of this report, and at the age of 66 years, he underwent coronary bypass surgery and there was no gross evidence of malignancy present.