OBJECTIVE LIFE SCIENCE
CELL BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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During which phase of tumor development is the mass considered malignant?
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Dysplasia
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Hyperplasia
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In situ
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Invasive
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Explanation:
Detailed explanation-1: -Cancer that has spread beyond the layer of tissue in which it developed and is growing into surrounding, healthy tissues. Also called infiltrating cancer.
Detailed explanation-2: -The first step in metastasis is invasion of tumor cells into the stroma. Stromal collagen is dramatically remodeled during tumor progression. Tumor cells can invade the stroma as single cells or collectively. The microenvironment influences the mode and dynamics of cancer cell migration.
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