PD-L1 testing in advanced gastric cancer—what physicians who treat this disease must know—a literature review

Renata D’Alpino Peixoto, Maria Cecilia Mathias-Machado, Alexandre Jácome, Mariana Gil, João Fogacci, Bárbara Sodré, Thaís Passarini, Aline Chaves, Paulo Henrique Diniz, Flora Lino, Alexandre Palladino, Mirela Souto, Ana Carolina de Castro, Bernardo Garicochea