Morrissey said that until a definitive study is done, patients shouldn't be afraid or concerned that they're going to have an amputation after oxygen therapy.

In rural areas, kids were 1.7 times more likely to have an amputation after a lawnmower accident than in urban areas.

The first time they are diagnosed and they end up having an amputation.

Patients who had an amputation due to failure of reconstruction were found to have a better survival.

Overall, about 56 percent of black patients and 35 percent of white patients had an amputation.

Local recurrence arose in 40% who underwent limb salvage surgery versus 12% who had an amputation.

And about 7 percent of oxygen therapy patients had an amputation, compared to just 2 percent of those who did not get oxygen treatments.