STIL and Atrophy: Extratumoral parenchymal signs were found to be an independent predictor for sTIL levels (OR = 0.64, p < 0.001), with a negative correlation observed between the contraction sign and sTIL levels (p < 0.001, r = −0.185), as well as between the atrophy sign and sTIL levels (p=0.046, r = −0.103).