If you do not want to read about survival rates for small cell lung cancer, stop reading here and skip to the next section. The 5-year survival rate refers to the percentage of patients who live at least 5 years after their cancer is diagnosed.Of course, many of these people live longer than 5 years.To get 5-year survival rates, doctors look at people who were treated at least 5 years ago. Improvements in treatment since then may result in a more favorable outlook for people now being diagnosed with small cell lung cancer (SCLC).f course, many of these people live longer than 5 years. To get 5-year survival rates, doctors look at people who were treated at least 5 years ago. Improvements in treatment since then may result in a more favorable outlook for people now being diagnosed with small cell lung cancer (SCLC).
Answer: A chemical equation is a written representation of the process that occurs in a chemical reaction. A chemical equation is written with the reactants on the left side of an arrow and the products of the chemical reaction on the right side of the equation.
A chemical formula shows the atoms and their respective quantity in a compound or molecule. The chemical formula CO2 reads as carbon, one atom, oxygen, two atoms. Another examâ¦ple is H2O (water). A chemical reaction is something that happens between two chemicals  when they interact.