摘要：

Numerous case reports indicating the unpredictability of cancer as a disease are scattered throughout the medical literature. It has been observed that in any series of untreated cancer patients certain patients will have a much longer survival rate than the average, with some tumor types disappearing spontaneously and others seemingly growing in cycles, with periods of rapid growth alternating with stationary periods or actual recessions. Moreover, the phenomenon of delayed recurrence has been observed, wherein the tumor reappears years later either in the scar that has been produced by previous surgical intervention or in the surrounding area. Occasionally, metastatic cells appear dormant in lymph nodes and other vital structures of the body without ever producing symptoms; sometimes, however, rapid metastasis occurs throughout the body after a prolonged period of quiescence. Morton and Morton 1 recently summarized their experiences with a group of 17 cases of cancer that originated in various

展开