Skip to main content

An official website of the United States government

Español

Search

Home
Publications
NCI Dictionaries
NCI Dictionary of Cancer Terms

Publications

obstruction

(ub-STRUK-shun)

Blockage of a passageway.

Search NCI's Dictionary of Cancer Terms

Starts with

Contains

Browse:

A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
#

About

About This Website
en Español
Reuse & Copyright
Social Media

Resources

Contact Us
Publications
Dictionary of Cancer Terms
Find a Clinical Trial

Policies

Accessibility
FOIA
Privacy & Security
Disclaimers
Vulnerability Disclosure

Sign up for email updates

Enter your email address Enter a valid email address

National Cancer Institute at the National Institutes of Health

Contact Us

Live Chat

1-800-4-CANCER

NCIinfo@nih.gov

Site Feedback

Follow us

U.S. Department of Health and Human Services National Institutes of Health National Cancer Institute USA.gov