OS	Osteosarcoma
EPR	Enhanced Permeability and Retention
mTOR	Mammalian Target of Rapamycin
CAR-T	Chimeric Antigen Receptor T cell
PD-1	Programmed Cell Death Protein 1
DOX	Doxorubicin
miRNA	MicroRNA
HIF-1α	Hypoxia-Inducible Factor 1 alpha
pH	Power of Hydrogen
ROS	Reactive Oxygen Species
CDT	Chemodynamic Therapy
PDT	Photodynamic Therapy
PTT	Photothermal Therapy
MOFs	Metal–Organic Frameworks
PLGA	Poly(lactic-co-glycolic acid)
PDA	Polydopamine
TCP	Tricalcium Phosphate
MRI	Magnetic Resonance Imaging
CT	Computed Tomography
CD47	Cluster of Differentiation 47
PD-L1	Programmed Death-Ligand 1
siRNA	Small Interfering RNA