I had Robotic assisted radical nephrectomy on Nov 1st, 2017. Clear cell carcinoma. Recovery has been a challenge. By Nov 8th, I had a complete physical and mental break down. Not something I have ever dealt with. After 3 days of sobbing, and processing, I came out the other side, well, much better. Guess I had to deal with all the emotions I chose not to deal with prior to surgery. Recovery went much better after this. I went back to work on Dec 15th, which, by the way, was too early. I should have waited until the 1st of the year. I am sure you know us A types. Anyway, Starting around the 3rd week of November, I started to get bouts of nausea that came on sooo fast. Lasted about 15 min. Sometimes I vomited, other times, it went away. Now I have bouts of severe fatigue that come on just as fast, but stay for an hour or so. Then gone. When this happens, I feel so fatigued, I could collapse. Not faint, just collapse. Getting a bit worried, but seems so general that the Doctors will probably dismiss. Any ideas?