Chapter 1: Cancer theranostics - An updated introduction Part 1: In Vitro Diagnostics Chapter 2: Tissue specimen and liquid biopsy testing for cancer diagnostics Chapter 3: Circulating tumor cells and cancer associated fibroblasts in IVD of cancer Chapter 4: Extracellular vesicle-based IVD of cancer Chapter 5: Non-coding RNAs in cancer diagnosis Chapter 6: Circulating tumor DNA technology in cancer diagnosis Chapter 7: Nanotechnology in IVD of cancer Part 2: Anatomical, Functional and Molecular Imaging in Cancer Theranostics Chapter 8: Radionuclide imaging of cancer Chapter 9: Luminescence imaging of cancer Chapter 10: MRI and MPI of cancer Chapter 11: Ultrasound and photoacoustic imaging of cancer Chapter 12: Raman spectroscopy and imaging for cancer diagnosis Chapter 13: OCT and OCE of cancer Chapter 14: Artificial intelligence in cancer imaging Part 3 Image-Guided Cancer Therapy Chapter 15: Image-guided radiation therapy (IGRT) of cancer Chapter 16: Image-guided surgery (IGS) of cancer Chapter 17: Image-guided thermal ablation of cancer Chapter 18: Image-guided cancer drug delivery Part 4: Theranostics Platforms Chapter 19: Radiotheranostics Chapter 20: Magnetotheranostics Chapter 21: Immunotheranostics Chapter 22: Optotheranostics Chapter 23: Sonotheranostics Chapter 24: RNA theranostics Chapter 25: DNA theranostics Part 5: Production, regulations and translations of theranostics Chapter 26: Scale-up production of theranostic formulas Chapter 27: Clinical translation and regulations of theranostics