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. Author manuscript; available in PMC: 2021 Apr 1.
Published in final edited form as: Exerc Sport Sci Rev. 2020 Apr;48(2):67–73. doi: 10.1249/JES.0000000000000214

Figure 2.

Figure 2.

Hypothesis that physical activity reduces the risk of recurrence and mortality in cancer patients through two synergistic processes: 1) indirect (systemic) effects related to the host tumor microenvironment and; 2) direct (physical) effects on cancer cells.