<u>Answer:</u>
<em>MSN stands for Medicare Summary Notice. If a person disagrees with the rejection of his/ her claim he/she can file an appeal.
</em>
<u>Explanation:</u>
An MSN is sent every three months to people who avail the benefit of medicare. It gives details about the services and supplies billed to medicare , payment made by medicare and the amount you owe the provider.
After checking the MSN if a person feels that she was unfairly denied a claim she can decide to file an appeal.
Once you have decided to go forward with the appeal collect valuable information from your doctor, healthcare provider etc.
I think that it is Lung cancer that is mainly caused by tobacco
Doctor's can't do anything to stop the bacteria and it is likely to kill you because there is no treatment for it. Can i have Brainliest?