This article examines the role of NLS (Non-Linear System) technology in the evaluation of lymph nodes, particularly in oncology patients. Using advanced tools such as 3D NLS-graphy, ultramicroscanning, and spectral-entropic analysis (SEA), clinicians can assess lymph node size, shape, structure, vascular patterns, and tissue characteristics with high specificity. The method helps distinguish between normal, inflammatory, hyperplastic, and metastatic lymph nodes, including deep nodes that are difficult to detect through physical examination. NLS also supports cancer staging by identifying the location and extent of lymphatic involvement. According to the authors, the technology is valuable for differential diagnosis, treatment planning, and long-term monitoring of disease progression and therapeutic response.

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