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Etapy rozwoju nowotworu

Cancer Tends to lnvolve Multiple Mutations

Benign tumor cells    Malignant cells invade

grow only locally and    neighboring tissues, enter

cannot spread by    blood vessels, and

invasion or metastasis metastasize to different sites

Mutations Proto-oncogenes Morę mutations, i inactivate    mutateto    moregenetic

DNA repair    oncogenes    instability,

genes    metastatic

disease    .

hmwmm

(NOLOGY

v.concer.gov