The Pathophysiological Landscape of the Solid Tumor Microenvironment Despite decades of continuous, exponential advancements in oncology, immunology, and pharmacology, the complete eradication of solid tumors remains one of the most formidable global health challenges in modern medicine. 1  Conventional therapeutic modalities, such as systemic chemotherapy and localized radiation therapy, frequently exhibit diminishing efficacy as solid neoplasms increase in volume and comple