Northampton Saints have confirmed that Tom Wood was diagnosed with a last month.
This is a blocked blood vessel in your lungs. It can be life-threatening if not treated quickly.
The 33-year-old flanker was treated promptly at Northampton General Hospital, and has been cleared to begin non-contact training from today.
“We’re naturally disappointed that Woody will not be available for when things kick off again on the 16 August,” said Director of Rugby, Chris Boyd.
“But he’s an excellent professional and we know he’ll rehab diligently to hopefully be back in contention before the end of the current season.”
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UPDATED | British & Irish Lions predicted 2021 starting XV, according to the bookies
Odds are accurate on Wednesday,3rd July, 8am, and are subject to change.
Fullback:LIAM WILLIAMS (Wales 4/7)
Other contenders: Stuart Hogg (Scotland 4/6), Jordan Larmour (Ireland EVS), Leigh Halfpenny (Wales 5/1), George Furbank (England 7/2)
Left wing:JONNY MAY (England 1/25)
Other contenders: Jacob Stockdale (Ireland 1/3), Adam Radwan (England 40/1), Jack Nowell (England 11/4), Louis Rees-Zammit (Wales 13/8)
Outside-centre: JONATHAN DAVIES (Wales 1/3)
Other contenders: Henry Slade (England 5/6), Garry Ringshow (Ireland 4/6), Jonathan Joseph (England 13/8), Chris Harris (Scotland 20/1), Huw Jones (Scotland 6/1)
Inside-centre:MANU TUILAGI (England 1/3)
Other contenders: Robbie Henshaw (Ireland 5/6), Hadleigh Parkes (Wales 5/4), Sam Johnson (Scotland 9/2)
Right wing: JOSH ADAMS (Wales 1/18)
Other contenders: Anthony Watson (England 4/6), George North (Wales 2/1), Elliot Daly (England 10/11), Joe Cokanasiga (England 3/1), Keith Earls (Ireland 9/2)
Fly-half:OWEN FARRELL (England 1/25)
Other contenders: Johnny Sexton (Ireland 1/2), Dan Biggar (Wales 8/15), Finn Russell (Scotland 3/1), Marcus Smith (England 8/1)
Scrum-half:CONOR MURRAY (Ireland 4/6)
Other contenders: Tomos Williams (Wales 5/4), Ben Youngs (England 6/4), Ali Price (Scotland 2/1)
Looshead-prop: MAKO VUNIPOLA (England 4/6)
Other contenders: Ellis Genge (England 1/3), Cian Healy (Ireland 5/6), Joe Marler (England 5/2)
Hooker:JAMIE GEORGE (England 1/10)
Other contenders: Luke Cowan-Dickie (England 4/6), Ken Owens (Wales 7/4), Stuart McInally (Scotland 7/2)
Tighthead-prop: Tadhg Furlong (Ireland 1/15)
Other contenders: Kyle Sinckler (England 1/5), Tomas Francis (Wales 11/8), Harry Williams (England 5/1)
Lock: MATO ITOJE (England 1/10)
Other contenders: James Ryan (Ireland 1/5), Jonny Gray (Scotland 8/11)
Lock: ALUN WYN JONES (Wales 1/5)
Other contenders: Iain Henderson (Ireland 4/6), Courtney Lawes (England 5/4), George Kruis (England 7/2), Jean Kleyn (Ireland 33/1), Richie Gray (Scotland 5/1)
Blindside-flanker: TOM CURRY (England 1/7)
Other contenders: Peter O'Mahony (Ireland 7/4), Lewis Ludlam (England 11/4), Jamie Ritchie (Scotland 10/1)
Openside-flanker: SAM UNDERHILL (England 1/4)
Other contenders: Hamish Watson (Scotland 8/11), James Davies (Wales 10/1)
Number 8: BILLY VUNIPOLA (England 1/4)
Other contenders: CJ Stander (Ireland 1/3), Taulupe Faletau (Wales 11/10), Ross Moriarty (Wales 5/1)