Dark Cancer Humor

1: I wish my cancer could kill me quicker so I don't have to do this class anymore.

2: I'm dying, finally.

3: I'm sorry, I can't go to your party because I'm expected to be dead by then.

On a serious note, I might actually have cancer and I'm getting checks. I hope for the best :/

Explanation

Experiment

The person is making dark jokes about their situation which could be a way of coping with the stress and fear of having cancer. They're using dark humor to express their feelings and also they're being sarcastic about the class situation and the party invitation.