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A Pan-Cancer Analysis of Lesion-Level Treatment Response to Extend the 'Seed and Soil' Paradigm

2025-09-18 oncology Title + abstract only
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BackgroundThe classical "seed and soil" hypothesis suggests that metastatic spread is shaped by tumor-intrinsic traits ("seeds") and the organ-specific microenvironment ("soil"). We expand this concept to explain lesion-level therapeutic responses and phenotypic variability across metastatic cancers. MethodsWe analyzed 55,220 lesions from 6,087 patients enrolled in 20 clinical trials across six cancer types. Using nonlinear mixed-effects modeling, we estimated lesion-specific parameters: regres...

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