Modern surgery, general and operative . tly irritated, MacHardy affirmsthat they become worn out by making repeated attempts at repair, undergoatavistic reversion, and actively assume the power of reproduction. Accord-ing to this theory cancer is expressive of atavistic reversion of epithelialcells. The Prevalence and the Alleged Increase of Carcinoma.—Crile estimatesthat at the present time there are probably 80,000 cases of cancer in theUnited States, and states that in hospital autopsies cancer is found in i caseout of 12 (Med. Record, June 6, 1908). In the United States cancercauses 5 per
Modern surgery, general and operative . tly irritated, MacHardy affirmsthat they become worn out by making repeated attempts at repair, undergoatavistic reversion, and actively assume the power of reproduction. Accord-ing to this theory cancer is expressive of atavistic reversion of epithelialcells. The Prevalence and the Alleged Increase of Carcinoma.—Crile estimatesthat at the present time there are probably 80,000 cases of cancer in theUnited States, and states that in hospital autopsies cancer is found in i caseout of 12 (Med. Record, June 6, 1908). In the United States cancercauses 5 per cent, of the annual deaths. Kellogg (N. Y. Med. Jour., Sept. 2,1911) claims that there are 300,000 cancerous people in the United States,that 75,000 die of it each year, and that in 1909, of women who died betweenthe ages of forty-five and fifty-five, i in 6 died of cancer. In England in1909 there were over 34,000 deaths from cancer. In France in 1908 there wereover 30,000 deaths from cancer. It has been stated that of persons living. Sex 387 above the age of thirty-five, that i woman in 8, and i man in 12, will die ofcancer (Copeman, quoted by Brand, in Lancet, Jan. 11, 1908). Is cancerincreasing? Of course, the number of cases increases with the increase ofpopulation. The apparent death-rate from cancer increases year by is pointed out by W. Roger Williams that in England and Wales themortality from cancer has increased from i to 5646 in 1840 to i to 1306in i8g6, and the proportion to deaths from other causes has risen from i to129 in 1840 to I to 22 in 1896 (Lancet, Aug. 20, 1898). Roswell Park com-ments on the increasing number of deaths from cancer in New York State,and says if it continues for the next ten years the disease will kill morepersons annually than phthisis, small-pox, and t}q3hoid combined. Kellogg(N. Y. Med. Jour., Sept. 2, 1911) believes that the increase is enormous,and claims that in the United States the disease has increased 500 per cent,in SLx
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