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Lymph nodes are small, bean-shaped glands present throughout the body. The lymph system is an important part of the immune system, the body's defense system against diseases. Groups of lymph nodes can be felt in the neck (cervical), groin (inguinal), and underarms (axillary). Inflamed lymph nodes by themselves are generally not a major concern. They are considered significant in the following scenarios:
- If the swelling of the nodes lasts for more than two weeks.
- It is associated with symptoms such as weight loss, night sweats, fatigue, or fever.
- If the nodes are hard, fixed to the skin, do not move, or are growing rapidly.
- If you can feel the swelling close to your collarbone or in the lower part of the neck.
- If the overlying skin is red and inflamed and you suspect an infection.
- A palpable lymph node at the neck, even if it is small, is considered significant.
Generally, a lymph node of 1.5 to 2 cm size in the axillary and inguinal regions is considered normal.
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