How accurate is chest radiography in estimating primary tumor size for lung cancer staging?

Updated: Jan 28, 2019
  • Author: Omar Lababede, MD; Chief Editor: Eugene C Lin, MD  more...
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Chest radiography can demonstrate the size of the primary tumor, especially in peripheral lesions. However, its utility is limited in cases of central lesions or those with surrounding secondary processes. Additionally, chest radiography is less accurate than CT scanning in estimating the size of the peripheral tumors, owing to magnification effect and issues related to projection.

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