The disclosure herein relates to novel cancer-associated antibodies and antigen-binding fragments that are used in the diagnosis of a cancer or a metastasis thereof. The disclosure herein relates to novel cancer-associated antibodies and antigen-binding fragments that are used in the treatment of a cancer or a metastasis thereof. The disclosure herein relates to novel chimeric antigen receptor or a T cell receptor fusion protein that comprise one or more cancer-associated antigen-binding domains that are useful for the treatment of a cancer.