Survival rates for lung cancer may have fallen by 2% due to delays in diagnosis caused by the COVID-19 pandemic Published on 13/09/2021 Madrid, September 13, 2021- "the survival rate in lung cancer in Spain may have fallen by 2% since the beginning of the pandemic as a result of delays in diagnosing patients”, as stated by Dr. Allan Sam, head of the Pulmonology Service at MD Anderson Cancer Center Madrid, on the occasion of European Lung Cancer Week, which takes place these days, who also adds that the real figure will not be known until after a year or two.