Description: Russian surgeons thought Artyom Sidorkin had a cancerous tumour when he started coughing up blood and complaining of agonising chest pains. When they opened the man up,... view allDescription: Russian surgeons thought Artyom Sidorkin had a cancerous tumour when he started coughing up blood and complaining of agonising chest pains. When they opened the man up, they found a perfectly formed fir tree growing in his lung. view less