Cancer cells biology

[nihantokar]

related to cancer cells,
1. the interphase lasts quite a long time
2. cells do not respond to signals that provide control of the cell cycle and are constantly multiplying
3. they often divide without undergoing cytokinesis
4. generally, the initial state of cancer is benign
which of these are true?
answer is 2 and 4
i did only 2. can someone explain 4?

[Juliette]

hi
a benign tumor doesn’t mean that it’s harmless, it means that it stays in the same location and doesn’t spread to the surrounding tissues or travel the bloodstream/lymph to other organs (metastasis)
as you can see in this chart, stage 1 of cancer has the criteria of a benign tumor