 Small cell lung cancer is a very deadly disease. Unfortunately, there have been no therapeutic events for more than 30 years. The diagnosis of small cell lung cancer is heavily dependent on how the cells look like under the microscope. However, molecularly we might be able to see more differences. We know there are different types of many cancers. Here we found a new subtype of small cell lung cancers and we found that indeed, 10% of small cell lung cancer is very different from the rest of the small cell lung cancers. It's very important to know such subgroup because they might behave very differently with the rest of small cell lung cancer under treatment. And now we are trying to find a way to cure these cancer cells specifically.