But other contenders, including twice former runner-up Nairo Quintana of Colombia, lost more than a minute, as did Dan Martin, who courageously battled on despite being taken down by Porte's spectacular crash, and even coming off his bike a second time on that same perilous descent.
"Normally, a fractured clavicle and pelvis would require four to six weeks´ recovery, providing there are no complications, Testa said".
He lay motionless on the road for some time, being attended to by medics before being taken to hospital, although organisers said he was conscious and speaking.
Getting through Sunday's Stage 9 unscathed, arguably the toughest of this Tour's 21 stages, marked a crucial step in the three-time champion's campaign for a fourth win.
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Porte, seen as one of the main rivals to his Sky team-mate Chris Froome, was taken to hospital, his tour over at the end of the first week. "We hope both guys are both okay", said Froome's Sky team on Twitter.
Martin lost more than a minute, as did Movistar's Nairo Quintana, three times a runner-up in the race, while former victor Alberto Contador of Trek Segafredo seems to be out of contention after losing over four minutes.
"That's the thing with sports unfortunately, there will be other scenarios - good moments and bad moments".
One of the pre-race favourites, Porte came off his bike on the descent of Mont du Chat and was immediately treated on the side of the road before being carried into an ambulance on a stretcher.
"We knew it was a unsafe one but we can't say anything else".