Fig. 2From: Revolutionizing lymph node metastasis imaging: the role of drug delivery systems and future perspectivesA brief historical overview of lymph node metastasis imaging based on DDSs. DDS drug delivery system, CT computed tomography, LSG lymphoscintigraphy, NP nanoparticle, MRI magnetic resonance imaging, ICG indocyanine green, SLN sentinel lymph nodeBack to article page