Graphical depiction of the PCA results at baseline and during RT.

<p>Group 1: SBRT; Group 2: CFRT; Group 3: ChRT. RT = Radiation therapy, SBRT = Stereotactic body radiation therapy (SBRT), CFRT = conventially fractionated radiation therapy, ChRT = Concurrent chemoradiation.</p

Basic clinical and demographic data.

<p>Basic clinical and demographic data.</p

Median cytokine values at baseline and during treatment for cytokines identified as key players by PCA.

<p>Median cytokine values at baseline and during treatment for cytokines identified as key players by PCA.</p