This is my timeline:
1. We received your application for permanent residence on April 15, 2016.
2. We sent you correspondence acknowledging receipt of your application(s) on July 27, 2016.
3. We started processing your application on July 27, 2016.
4. Medical results have been received.
5. We sent you correspondence on September 7, 2016. If you have not yet provided the information or the requested documents, please do so as soon as possible. Please wait until you receive the correspondence before sending us additional information, as the correspondence will outline all information that is required.