Early Diagnosis of Cancer

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Abstract
Hypothesis, unchallenged for a long enough time, becomes accepted as truth. When, in addition, its truth has seemed self-evident and it has served as a basis of practice by several generations of physicians, the hypothesis assumes the aspect of eternal verity. Since even the five-cent postage stamps herald a Crusade Against Cancer with the slogan "Early Diagnosis Saves Lives," it might seem foolhardy to inquire about its meaning and the evidence for this seemingly obvious statement.To be sure, locally invasive lesions, at one time completely resectable, may so involve vital organs or grow to such a size that cure . . .