Big Van Vader has returned to hospital, less than a month after having open heart surgery. 

The former WCW Champion tweeted his fans, to inform them he has been diagnosed with pneumonia and is in a lot of pain.

Damn I have bad news Iam bk in the https://t.co/1oYCjG1pNF pain is thru the roof and they say I have pneumonia.Cant breath.But Iam still fighting VADER TIME

, Big Van Vader (@itsvadertime) April 19, 2018

This is the latest in a string of medical scares for Vader. Last month he had open heart surgery.

He also collapsed during a show last year and was in a near-fatal car accident in 2016. 

Vader was told by doctors in November 2016 that he has two years to live, due to heart failure.