Hi, Babak
You will know better on Monday about what to expect, but I just want to mention that as being self-employed, you have the advantage of having some control over your hours when you are able to work. You may be able to work at least part time through most of your treatment, or you may have to look into going on SS disability for a bit. I am sure that you are a very independent person, but sometimes family and friends can be a great help. If you would want to help a buddy in your situation (maybe driving to/from surgery or chemo) there is no reason that they would not want to lend a hand for you.
Let us know your results on Monday and we can be more specific about what to expect.

One last thing - the holidays are coming. Do your best not to let them delay your treatment. I am sure that my husband's treatment was delayed by at least a month because of them; doesn't seem to have been a problem in his case, but speed is of the essence.
Maria