Radiation therapy is a common treatment for lung cancer, which uses high-energy to destroy cancer cells. In recent years, technology has advanced significantly, and radiation therapy has become more precise and targeted. Here are some of the latest advancements in radiation therapy for lung cancer:

1. Stereotactic body radiation therapy (SBRT): SBRT, also known as stereotactic ablative radiotherapy (SABR), is a type of radiation therapy that delivers a high dose of radiation to the tumor in a small number of treatments, usually 1-5. This technique can be very effective in treating early-stage lung cancer and has fewer side effects than conventional radiation therapy.

2. Proton therapy: Proton therapy is a type of radiation therapy that uses protons rather than photons to deliver radiation to the tumor. Proton therapy can be more precise and targeted than traditional radiation therapy and may spare healthy tissue around the lung. However, proton therapy is still not widely available, and it is not clear whether it is more effective than other types of radiation therapy.

3. Adaptive radiation therapy: Adaptive radiation therapy uses imaging to monitor the tumor's size and shape during treatment, and then adjust the radiation and delivery to ensure that the tumor receives the most effective treatment. This technique can help reduce toxicity and side effects of radiation therapy.

In addition to these advancements, there are also promising new treatments on the horizon for lung cancer, including immunotherapy, targeted therapies, and new combinations of radiation therapy and other treatments. Immunotherapy helps the body's immune system to attack cancer cells, and is effective in patients with non-small cell lung cancer. Targeted therapies are drugs that target specific genetic mutations in cancer cells, and are effective in patients with certain types of lung cancer. Combining different types of treatment, such as radiation therapy and immunotherapy, may also be an effective way to treat lung cancer in the future.

It is important to note that every patient's situation is unique, and that the best treatment plan will depend on the patient's specific type and stage of lung cancer, as well as their overall health. If you or a loved one has been diagnosed with lung cancer, it is essential to talk to a healthcare provider who can provide personalized advice and guidance on the best treatment options.