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Pope’s partial lung shouldn’t affect duties

    Pope Francis, center, celebrates his inaugural Mass with cardinals, inside the Sistine Chapel, at the Vatican today in this image made from video provided by CTV. As the 266th pope, Francis inherits a Catholic church in turmoil, beset by the clerical sex abuse scandal, internal divisions and dwindling numbers in parts of the world where Christianity had been strong for centuries.

LONDON » The new pope has daunting challenges ahead ranging from the church sex abuse scandal to reinvigorating the flock.

And the 76-year-old Francis will have to do it all with just one whole lung.

The Argentine pontiff underwent surgery as a young man to remove "a good part" of an infected lung, according to his authorized biographer, Sergio Rubin. "He feels it today," says Rubin. "He’s a little bit slowed by it, but he’s OK."

Doctors said that losing part of a lung doesn’t necessarily compromise the pope’s health or reduce his life span, though it means no strenuous exercise since he no longer has as much air capacity as people with two lungs. "He probably wouldn’t be able to run marathons, but I don’t think that would be on his schedule," said Dr. Peter Openshaw, director of the Centre for Respiratory Infection at Imperial College London. "Having one lung should be enough as long as there is no other disease in that lung."

It was initially reported that Francis lost an entire lung, but the Vatican said today that he had only lost part of one. It provided no further details.

Openshaw said Francis’ whole lung would probably have expanded to fill the space left by the partial one, and that his rib cage would have shrunk slightly in size. His diaphragm may also have moved up slightly higher than normal. But none of those changes should affect Francis’ normal activities, he said.

He said the pope’s full lung should be able to compensate for the partial one, similar to how parts of the brain may pick up functions of other regions damaged by a stroke.

"The other lung can gain capacity but there will be limits," he said, comparing it to a car engine that now runs slightly slower. "You may not be able to accelerate as hard but it still works just as well."

Some who have worked with Pope Francis said he is still very energetic. "His lung capacity is diminished, logically, but this hasn’t affected him at all or kept him from carrying forward all of his activities," said Federico Wals, spokesman for the Buenos Aires diocese where the new pontiff previously presided as archbishop. "He always shows this incredible force. It seems like the diminishment gives him more power."

Experts said it would be rare nowadays to remove or cut away part of a lung. Antibiotics would be used to treat most lung infections including tuberculosis, though part of the organ might be removed to treat advanced lung cancer.

Back when Francis had part of his lung removed, the available antibiotics weren’t as powerful. "In the past, doctors used to try all kinds of strange things to try to treat lung infections," said Dr. Jennifer Quint, a respiratory expert at London’s School of Hygiene and Tropical Medicine. She said physicians even used to stick ping pong balls into peoples’ lungs in an attempt to starve the lung of oxygen, to kill the bacteria.

Quint said the fact that Francis appears so fit and healthy at 76 bodes well for his future.

"If he were going to have any major complications from the surgery (to remove the lung), he would have had them by now," she said. She said Francis’ main challenge will be to keep his remaining full lung healthy. "I would recommend a yearly flu vaccination and an occasional pneumonia vaccine to avoid infection."

Jeremy Ward, a professor of respiratory physiology at King’s College London, said he was only mildly concerned about thepope’s health — unless he gets sick.

"If he gets any sort of infection, it could be much more serious in him than in someone else with two lungs. … That could make him susceptible to pneumonia, which would be very dangerous for him." he said, adding it would either take the popelonger to recover or debilitate him.

Still, Ward didn’t think Francis would have to take any unusual measures to avoid getting sick and faced the same problems as all elderly people.

"Unfortunately as you get older, nothing works as well as it should," he said. "He will have to deal with that like everybody else."

AP writer Michael Warren in Buenos Aires, Argentina, contributed to this report.

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