lung cancer;

it might be slowed down by snecial drugs, removed by surgery,

or ‘burned out" by X-rays.
Cancer

A neoplasm is any newor abnormal pro-rt:. in the body.
such growths are varts, moles, cysts, and certain tumors.

[Ixamples of
There are

generally two kinds of neoplasms.

One kind is benign

The other is malignant (harmful).

Most harmful growths are called

cancers.

What makes these growths harmful is the fact that cell produc-

tion in them is uncontrolled;
wild.

(not harmful).

it is as though the cell growth has gone

Cancer cells duplicate themselves faster than their normal neighbors.

They do not serve the body's needs, but use up the chemicals needed by

other cells.

The normal course of cancer is usually fatal.

is in a local area,
a cure results.

If the cancer

it may be removed by surgery or by X-ray treatment and

However,

if only a few cancerous cells are left, the

cancer will begin to reproduce itself again.
tumor or tumors in a single organ,

Cancer may develop as a

such as the lung or liver, or as a

malignant tumor such as a mole or wart not in an organ, or in the blood,

or it may spread throughout the body (metastasis).
As a result of the atomic bombs dropped on Hiroshima and Nagasaki,
perhaps the most well-known long-range effect of radiation of human

beings is the increase of leukemia.

Leukemia is a cancer of the blood.

It is a condition in which there is an abnormal increase in a certain
kind of blood cell the leukocyte.

The disease can be either acute

(having a short course, or life) or chronic (having a long course, or
life).

While leukemia cannot be cured,

1O14b350

6

it can be arrested, or retarded.

Select target paragraph3