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26

NCCN Guidelines for Patients

®

:

Malignant Pleural Mesothelioma, Version 1.2016

Your treatment team will decide the best time to

have radiation therapy after surgery. During radiation

treatment, you will lie on a table in the same position

as done during simulation. Devices may be used to

keep you from moving so that the radiation targets

the tumor. Likewise, methods may be applied to

control breathing.

You will be alone while the technician operates the

radiation machine from a nearby room. He or she will

be able to see, hear, and speak with you at all times.

As treatment is being given, you may hear noises.

One treatment session can take between 30 to 60

minutes. You will likely have 5 sessions a week.

Radiation therapy lasts 4 to 5 weeks if no cancer

cells are found in the normal-looking tissue around

the tumor removed during surgery. If cancer is found

in the normal-looking tissue, radiation therapy lasts

about 5 to 6 weeks.

The main types of EBRT used for mesothelioma

include:

†

†

3D-CRT (three-

d

imensional

c

onformal

r

adiation

t

herapy) – Radiation is given in small doses for

a few weeks with x-ray beams that match the

shape of the tumor.

†

†

IMRT (

i

ntensity-

m

odulated

r

adiation

t

herapy)

– Radiation is given in small doses for a few

weeks with x-ray beams of different strengths

based on the thickness of the tumor.

†

†

Tomotherapy – A type of IMRT, a tomotherapy

machine takes CT scans and delivers radiation.

†

†

Proton beam therapy – Radiation is given using

proton beams, which deliver more radiation at

the end rather than throughout the beam.

Conformal radiation therapy is the preferred method

by NCCN doctors. IMRT, tomotherapy, and proton

beam therapy are newer radiation therapy methods.

They should only be used in experienced cancer

centers or according to a specific, detailed treatment

plan called a protocol.

4

Treatment guide

Stage I–III epithelioid or mixed mesothelioma