Both embryonic stem cells and cancer cells are (1) rapid-growing
and (2) usually undifferentiated. Undifferentiated means that they
are very primative cells which have not acquired a specific
function such as nerve cells, muscle cells, lung cells, etc.
cancer of the lungs
There are many types . . . non-small cell carcenoma, which
includes squamous cell, adenocarcenoma, bronchioalveolar, and
large-cell undifferentiated carcenoma. There is also small cell
cancer is the uncontrolled undifferentiated growth of normal
cell.the agent which may cause cancer is called as carcinogens.
these carcinogens are present in cigarette alcohol and many
more.these carcinogen activate oncogene present in body which
activate uncontrolled cell division.