This paper discusses the evolution of the temperature on the surface of the human body directly in a projection of a malignant tumor and at some distance from it. Models are proposed for the propagation of heat in the region of the mammary gland that make it possible to estimate the limits of sensitivity of the method of IR thermography and to predict the rate at which the tumor is developing. It is shown that the temperature signals have substantial fluctuations in the region of both healthy and pathological tissue. Mathematical models for processing the temperature signals are proposed in order to calculate the quantitative differences between the healthy and pathological regions. These techniques, in combination with standard thermal-vision symptoms, can be used as a supplementary risk factor when diagnosing a malignant tumor.
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