Genomic landscape study of esophago-gastric adenocarcinoma (EGAC) in young patients under the age of 30 years. Relationship between the number of biopsy specimens and PD-L1 positivity.

in a Chinese PD-L1-positive non-small cell lung cancer (NSCLC) population. That led some market observers to predict the drug could supplant Keytruda and other PD-1/PD-L1 checkpoint inhibitors ...