To the Editor:—
The tendency of some tumors to lie dormant for long periods of time yields a few isolated reports of long-term survival, but in the present case tumor recurred 40 years after the initial treatment.
Report of a Case:—
The patient was admitted to Taylor Hospital in October 1962 with a history of a large mass on the right side of his neck which had appeared at the age of 1 1/2 years. This was first seen at Presbyterian Hospital in Philadelphia in September 1922 and diagnosed clinically as "fibrosarcoma." Between February and May of 1923 he received x-ray therapy of unknown dosage. On June 26, 1923, part of the growth was removed surgically and a pathologic diagnosis of "low-grade fibrosarcoma" was established (Fig 1).He was subsequently treated with radium from July 1923 to March 1924 at Oncologic Hospital in Philadelphia. Ten individual exposures included two insertions