Materials and Methods
The Pennsylvania Hospital is a 420-bed general hospital in South Philadelphia. The ward population drawn from the surrounding area is predominantly Negro and Italian. Private patients are derived mostly from Philadelphia and its suburbs, though a substantial number are also referred from more distant areas. Over the years there has been some decrease in the ward population and increase in the private; for example, in 1943, ward-patient days were 67% of the total, whereas in 1959, wardpatient days were 52% of the total.This report is a survey of all cases of breast cancer seen primarily in the Pennsylvania Hospital from July 1, 1927, to June 30, 1957. During this period, 541 patients with carcinoma of the breast were seen (10 patients with malignant tumors other than carcinoma and 64 patients treated initially elsewhere and subsequently treated here for recurrence or metastasis are excluded; to include these
ZUG CK, CRETZMEYER CH. A Survey of Breast Cancer in the Pennsylvania Hospital. Arch Surg. 1962;84(4):480–486. doi:10.1001/archsurg.1962.01300220104018
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