Nanotechnology may appear more pronounced in diagnostic imaging to Tumours. Antibodies or other materials can be used to coat nanoparticles to aid in the detection and attachment of cancer cells. The fragments can also have a chemical applied to it that acts as a cancer detection signal. Iron oxide nanoparticles, for instance, attach to cancer cells and release potent signals that cause the malignancy to glow on MRI scans. Cancer treatment is made more precise and safe with the use of nanotechnology. Drugs like chemotherapy are delivered directly to the tumour via specially created nanoparticles. They don't release the medication till it gets there. This stops the medication from harming the healthy tissue surrounding the tumour. There are consequences to this harm. The medicine can be administered to parts of the body that are typically difficult to reach because of how small the nanoparticles are. The blood-brain barrier, which stops poisons from entering the brain, is one illustration. Some medications are also blocked by it. Since nanoparticles are so small, they can get through this barrier and be used to treat brain cancers. Tumors may appear more pronounced in diagnostic imaging thanks to nanotechnology. Antibodies or other materials can be used to coat nanoparticles to aid in the detection and attachment of cancer cells. The fragments for more than ten years, doctors have been treating cancer with nanotechnology. Abraxane and Doxil, two medications that are now in use, aid in boosting the efficiency of chemotherapy therapies. The chemotherapy chemical is attached to the protein albumin to create the nanoparticles known as abraxane. Prevents cancer cells from dividing. Abraxane cures non-small cell lung cancer that has spread to the breast and pancreas. Doxil is doxorubicin, a chemotherapy medication, enclosed in a fat sac called a liposome. Oncogene interference prevents cancer cells from dividing. Doxil treats , multiple myeloma, and ovarian cancer. Clinical trials are being conducted by researchers to examine more nanotechnology treatments. In order to make them less dangerous or to assist the medicine survive as it travels through the bloodstream, some of these treatments encapsulate hazardous chemicals in nanoparticles. Nanoparticles may eventually be able to treat cancer. For the purpose of defending healthy tissues, nanotechnology more precisely targets cancer cells. It should theoretically have fewer negative effects than contemporary treatments like chemotherapy and radiation therapy. The negative effects of current nanotechnology-based medicines like Abraxane and Doxil include diarrhoea, nausea, and weight loss. However, the chemotherapeutic drugs present in them can be blamed for these issues. In order to better understand these treatments' adverse effects, researchers need to conduct clinical studies. Chemotherapy, radiation therapy, and surgery are the only available cancer treatments today. All three techniques run the danger of causing harm to healthy tissue or of eliminating the tumour only partially. Nanotechnology offers the chance to carefully and directly target chemotherapy to cancer cells and other neoplasms, enhance surgical tumour removal, and boost the therapeutic effectiveness of radiation-based and other modern therapies. All of these things could lower a patient's risk and raise their likelihood of survival. By targeting and delivering these anticancer drugs to tumour tissue only, nanotechnology has traditionally been used to treat cancer by enhancing pharmacokinetics and lowering systemic toxicity of chemotherapy. The benefit of nano-sized carriers is that the nano-formulation encapsulated or bonded to the surface of the nanoparticles can raise the overall therapeutic index of the delivered medicine. This capacity is mostly a result of the surface's adaptable size and characteristics. Size is a crucial consideration when offering tumour tissue nanotechnology-based therapy.