Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Search help
3 results
  1. Results - Stereotactic Body Radiation Therapy - NCBI Bookshelf 
    https://www.ncbi.nlm.nih.gov/books/NBK55731
    ... the details on the energy source, beam angles, collimation techniques, body immobilization systems, imaging used for treatment ... the device and photon energy, radiation beam angles, collimation technique, body immobilization technique, treatment planning imaging, treatment ...
  2. Detailed Methods - Screening for Lung Cancer: Systematic Review to Update the U.S. Preventive Services Task Force ... 
    https://www.ncbi.nlm.nih.gov/books/NBK154613
    ... H, Kono A, et al. Influence of detector collimation and beam pitch for identification and image quality ...
  3. Results - Screening for Colorectal Cancer - NCBI Bookshelf 
    https://www.ncbi.nlm.nih.gov/books/NBK373588
    ... variation in the number of detectors, reconstruction interval, collimation, and slice thickness. The number of reading radiologists ... nonadherence, issues with preparation or CTC examination, technical error). 50 – 52 , 169 , 183 Only three studies used ...