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 – Hospiten, 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.