To the Editor.
—In a recently published article, Zimmerman et al1 of the Armed Forces Institute of Pathology challenge the standard oncologic treatment of a malignancy, that is, en bloc excision. In a study of malignant melanoma of the choroid and ciliary body, they suggest that the enucleation of the affected eye actually may be the cause of the dissemination of tumor cells, resulting in metastatic disease. This conclusion is based on two observations. First, citing sub