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Using sunitinib, a clinically approved lysosomotropic anticancer drug, and the commercially available dye LysoTracker Deep Red, lacking intrinsic anticancer activity, we demonstrate pulsed laser-induced VB formation from dye-enriched lysosomal compartments, leading to selective photomechanical disruption of various ex vivo cancer cell models across two-dimensional (2D) cultures, 3D spheroids, patient-derived neuroblastoma tumoroids, and tumor fragments from a patient with ovarian carcinoma. 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