India, May 8 -- Brad Arnold, lead vocalist of 3 Doors Down, has shared that he was recently diagnosed with stage 4 kidney cancer. In a video posted on Wednesday via a joint Instagram post with bandmates Chris Henderson, Greg Upchurch, Chet Roberts, and Justin Biltonen, the 46-year-old said, "I've been sick a couple of weeks ago and then went to the hospital and got it checked out and had actually got the diagnosis that I had clear cell renal [cell] carcinoma."

Clear cell renal cell carcinoma is the most common form of kidney cancer and impacts the tubules responsible for filtering waste from the blood. Brad went on to reveal that the disease had spread to his lungs, confirming its stage 4 classification.

Alongside this serious health up...