Sunderland legend Ian Porterfield has left hospital after receiving treatment for cancer of the colon.
Porterfield manager Korean side Busan I'Park from 2003-2006
Porterfield, 61, goalscoring hero of the 1973 FA Cup final win over Leeds, is recovering at his home in Armenia where he is coach of the national side.
Porterfield, who also managed Chelsea, told BBC Radio Newcastle: "The calls and messages from all over are amazing.
"I can't believe how much kindness there has been towards me. It's made me proud and also I feel very humble."
He added: "What can I say about Sunderland? They have always been the best. I have always loved them with all my heart since I joined in 1967. They are my team!"
Porterfield went into hospital for checks a few weeks ago after complaining of pains in his pelvic area, and tests revealed the tumour.
He had to decide whether to return to Britain for treatment, travel to America or stay in Armenia and in the end decided to stay in Armenia because of a lack of time.
"The decision I made was the right one," said Porterfield, who has also managed Rotherham, Sheffield United, Aberdeen and Reading.
"If I had decided to travel for the treatment it probably would have been too late and I would never have made it through."
Fans have been inundating Sunderland's official website to pass on their messages to the Scotsman, who remains a hero on Wearside because of that FA Cup win - the club's last major honour.
Porterfield has asked the BBC to pass on his thanks to those who have been in touch.