A 0.52 cm thin nodule in the lower lobe of the right lung with a slightly elevated NSE requires judgment of the nature of the nodule and surgical resection if necessary.
The first step is to determine the nature of the lung nodule, whether its size and growth boundaries are clear, whether the internal echoes are regular, and whether there are signs of malignant changes such as pleural pulling, peripheral burrs or lobulation. If the above signs of malignancy are found, immediate surgery is recommended.
NSE, i.e. specific neurogenic enolase, is an important indicator for screening lung malignant tumors. Under normal conditions, NSE is less than 12.5 U/mL, and the presence of small-cell lung cancer should be excluded if this indicator is elevated in clinical practice. If there is no sign of malignancy in the lung nodule and the NSE level does not exceed 25 U/mL, regular review is also needed.
For patients with a 0.52 cm lung nodule with an elevated NSE level, consult the lung nodule clinic of a regular hospital.