These have their own pros and cons. When it comes to swollen lymph nodes in dogs, proper diagnostic testing is important considering the risks for serious conditions such as lymphoma. There are ...
Possible causes of armpit pain range from the minor irritation of clothing, or an infection that goes away quickly, to serious medical issues such as swollen lymph nodes and cancer-related pain.
Intraoperative frozen biopsy and sentinel lymph nodes technique have not shown sufficient accuracy to avoid extended lymphadenectomy, due to the significant rates of skip lymphatic metastasis.
However, very occasionally, swollen lymph nodes can be a sign of inflammation deeper inside the body, or more rarely, a sign of cancer, but in this case they are usually much larger than a pea.