34 comments. 1  I found the easiest way to remember which is which is that âportâ has 4 letters, as does âleftâ. Reply. 2  Re Bonus II: Coast Guard/Navy mnemonic for remembering which side is red (and therefore which side is green) âPort is red, as red wine isâ. Reply.
The most common cause of swollen lymph nodes is an infection, particularly a viral infection, such as the common cold. However, there are other types of infections, including parasitic and bacterial, and other possible causes of swollen lymph nodes.They include:ymph nodes are located in groups, and each group drains a specific area of your body. You may be more likely to notice swelling in certain areas, such as in the lymph nodes in your neck, under your chin, in your armpits and in your groin.
Causes of swollen lymph nodes. There are many causes for swollen lymph nodes. Most commonly, lymph nodes become swollen due to an infection, such as a viral upper respiratory infection like the common cold. Sometimes, lymph node swelling is caused by an underlying condition. Cancer that starts in another part of the body and spreads to the lymph nodes is called a metastasis. 2  Even when cancer spreads to the lymph nodes, it is still named after the area of the body where it started. 3  Learn more about metastatic cancer, including diagnosis and treatment.