Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The trends in incidence of four main histopathological types of lung cancer from 1973 to 2015.
Abbreviations: ADC, adenocarcinoma; APC, annual percentage change; LCC, large cell carcinoma; SCC, squamous cell carcinoma; SCLC, small cell lung cancer.
