On the contrary, small cell features, necrosis and nuclear molding suggestive for SCLC hystotype could be confirmed by at least one neuroendocrine marker such as chromogranin, synaptophysin, and CD56 and a high proliferative index documented by immunoreactivity for the Mib‐1 antibody.27, 37. Here, SYP is linked to small cell lung carcinoma.