ck303Pipe; Cosibelimab; Olafertinib; CK-103; CK-302; CK-303; Cosibelimab: An Anti-PD-L1 Antibody. Cosibelimab (CK-301) is a human immunoglobulin G1 (G1) monoclonal antibodyALL JACKETS COME EMBROIDERED WITH LEFT SIDE HOSPITAL LOGO A Sporty, Contemporary fit jacket features two front welt pockets and a front zip closure with zipper