Department of Medical Oncology, Hospital Universitario de Gran Canaria Dr Negrín, Las Palmas de Gran Canaria, Spain

D.A.B.: conceptualization, data curation, formal analysis, project administration, writing—original draft, and writing—review and editing. L.C.S.: conceptualization, methodology, writing—original draft, and writing—review and editing. D.P.C.: conceptualization, methodology, writing—original draft, and writing—review and editing. S.G.R.: writing—original draft and writing—review and editing.

The data sets generated and analyzed in this study are available from the Surveillance, Epidemiology, and End Results Program (https://seer.cancer.gov).

The authors declare no conflicts of interest.

Correspondence: David Aguiar-Bujanda, MD, Department of Medical Oncology, Hospital Universitario de Gran Canaria Dr Negrín, C/Barranco de la Ballena, s/n, Las Palmas de Gran Canaria, Las Palmas 35010, Spain. E-mail: [email protected].