SDC1 and non-small cell lung carcinoma: In non-small cell lung cancer the prognostic value of IGKC and CD138 was found to be similar [9] but although IGKC is a more specific marker for plasma cells, the prognostic value of IGKC and CD138 may differ in different types of cancer, depending on the microenvironment and possibly also in relation to adjuvant chemotherapy.