How good and well known is Mihai Leu?

[Box"K"ing]

He is a Romanian boxer and although I cant find a match of him on youtube. His style reminds me of Oscar De Le Hoya based on his highlight video:

[Box"K"ing]

He retired undefeated!

[MDPopescu]

Mihai Leu is fighting cancer right now...

[Box"K"ing]

Mihai Leu is fighting cancer right now...

I don't understand?

I thought he already recovered from cancer?

This is a recent video:

[MDPopescu]

I don't understand?

I thought he already recovered from cancer?

This is a recent video:

During Christmas Holidays 2016, Leu has undergone a colon cancer surgery -- for the third time in two years...

[Box"K"ing]

During Christmas Holidays 2016, Leu has undergone a colon cancer surgery -- for the third time in two years...

Oh damn! I wish I could find his full fights but from what I have seen. He seems like a damn good fighter!

I thought his cancer was something that happened in the past but it looks like its reoccurring. Hopefully he recovers!