Elevated NSE alone is not a specific diagnosis of cancer; inflammatory infections can also lead to high NSE. significantly elevated NSE is seen in small cell lung cancer, neuroblastoma, medullary thyroid cancer, pancreatic endocrine tumor, and other diseases. The results of one physical examination, mildly high, no clinical symptoms, and no other abnormalities found on physical examination, suggest continued testing and regular checkups. If there is inflammation in the body and the condition is small, it can be rechecked after treatment. increased NSE accompanied by lung nodules should be further biopsied to exclude. nse is small cell lung cancer related antigen, the normal value is 0-15ng/ml, and the diagnosis is confirmed by biopsy. relax, pay attention to a balanced diet and nutrition, and observe regularly.