There are a large number of lymph nodes in the neck and groin that are not palpable when normal. Finding soybean-sized lymph nodes in the area indicates that these lymph nodes are enlarged and may be related to lymphadenitis, lymphoma, tumor metastasis and other causes. 1. Lymphadenitis: due to the infection of organs and tissues near the neck and groin, these lymph nodes may appear reactive hyperplasia, accompanied by local redness, swelling, heat and pain and other infectious manifestations. 2. Lymphoma: it can invade the lymph nodes in the neck, armpit or groin, which can be manifested as soybean-sized lymph nodes in the neck and groin. 3. Tumor metastasis: many kinds of malignant tumors, such as thyroid cancer, lung cancer, laryngeal cancer, cervical cancer, prostate cancer, etc., may be metastasized through lymphatic transfer, resulting in soybean-sized lymph nodes in neck and groin. If you find soybean-sized lymph nodes in neck and groin, you should go to the hospital in time, clarify the cause of the disease, and carry out standardized treatment under the guidance of doctors.