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This article is a survey of 476 consecutive cases of tumor death for heart involvement. The somewhat selected group of cases (from a Veterans Administration hospital) shows an incidence of cardiac metastasis of 19.1 per cent. The bulk of tumors metastasizing to the heart were bronchogenic carcinoma, malignant melanoma, malignant lymphoma, and carcinoma of the pancreas and esophagus. Electrocardiographic changes were frequent and correlated fairly closely with the anatomic extent of the disease. The related literature is reviewed.M YOCARDIAL involvement by neoplasms arising elsewhere in the body is no longer considered rare. A survey of the literature discloses a gradually rising incidence of myocardial metastasis as this subject is more closely explored. It has recently been estimated that more than 500 instances of tumor metastasis to the heart are now recorded, and more than 20 of these were diagnosed before death

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