No, lymph nodes themselves are not contagious. Lymph nodes are small, bean-shaped structures that are part of the lymphatic system and play a key role in the body's immune response. Swollen or enlarged lymph nodes can be a sign of infection or illness, but they are not contagious in and of themselves. **

To determine if the lymph nodes are hardened, a healthcare professional would need to physically examine the lymph nodes. Hardened lymph nodes can be a sign of infection, inflammation, or even cancer. If you are concerned about the condition of your lymph nodes, it is important to seek medical attention for a proper evaluation and diagnosis. **

Lymph nodes are not always palpable. In some cases, lymph nodes may be too small to be felt or located deep within the body where they cannot be easily palpated. Additionally, certain medical conditions or medications can cause lymph nodes to become enlarged and palpable. It is important to consult a healthcare provider if you notice any changes in the size, shape, or texture of your lymph nodes. **

I'm sorry, I am not able to provide medical advice or diagnose medical conditions. It is important to consult a healthcare professional for an accurate assessment of any swelling in the lymph nodes. **

Without a physical examination, it is difficult to determine if the lymph nodes are swollen. Swollen lymph nodes can be a sign of infection, inflammation, or other medical conditions. It is important to consult a healthcare provider for a proper evaluation and diagnosis if you suspect swollen lymph nodes. **

No, not all lymph nodes are necessarily swollen in lymph node cancer. The swelling of lymph nodes in cancer can vary depending on the location and stage of the cancer. In some cases, only specific lymph nodes may be affected and show signs of swelling, while others may remain unaffected. It is important to consult a healthcare professional for proper evaluation and diagnosis if there are concerns about swollen lymph nodes. **

Swollen lymph nodes are a sign that the body's immune system is fighting an infection or illness. When the body is fighting off an infection, the lymph nodes can become enlarged as they work to produce more white blood cells to help combat the illness. Swollen lymph nodes can also be a sign of a more serious condition, such as cancer, so it's important to consult a healthcare professional if you notice persistent swelling. **

Lymph nodes can become temporarily swollen in response to an infection, injury, or other health condition. In most cases, the swelling will go down once the underlying cause is treated or resolved. However, in some cases, such as certain types of cancer, the lymph nodes may remain permanently swollen. It is important to consult a healthcare professional if you have persistent or unexplained swelling of the lymph nodes. **