Meet The World's Oldest surgeon ..She's 89

 Russia's oldest working surgeon turns 90 this year and with 10,000 operations already under her belt, she has no plans to retire.
Alla Ilyinichna Levushkina, 89, has worked with a scalpel in her hand for 68 years and still carries out four surgeries a day at Ryazan City Hospital near Moscow.
At (4ft 9in), she has a special step to stand on to make sure she can reach her patients.
The 89-year-old worked in the air medical services for 30 years, when she treated patients living in the Russian wilderness.