If you have been tested for HIV infection, you may be told that the result is ‘reactive’. While this is sometimes described as a ‘positive’ result, it could be a false positive. The result indicates ...

Lymphoid proliferations are traditionally thought to be either benign conditions (reactive hyperplasia and lymphadenitis) or malignant lymphomas. However, not all lymphoid lesions at present can ...

Highly reactive chemicals include those that have the potential to vigorously polymerize, undergo a vigorous condensation or oxidation-reduction reaction, or become self-reactive due to shock, ...

N1 Single lymph node metastasis, 2 cm or less in greatest dimension N1 Single regional lymph node metastasis in the true pelvis (hypogastric, obturator, external iliac or presacral lymph node ...

The word displace means to push out. A more reactive element can displace a less reactive element out of its compound during a chemical reaction. Displacement reactions can be used to investigate ...

If you want to learn about surgeries to treat breast cancer, this is a place to start. We’ll explain surgeries such as mastectomy, lumpectomy, lymph node biopsy, and lymph node removal. For most ...

If you have been tested for HIV infection, you may be told that the result is ‘non-reactive’. This means that the test did not find any evidence of HIV infection. You can be confident that you don’t ...

Metals react differently. Some are very reactive and others are unreactive. Observations of reactions can be used to put metals into an order of reactivity. For example, copper is unreactive so it ...

In other words, should you take a proactive or reactive approach to outsourcing? I admit this is kind of a loaded question. Rarely in life is reactive better than proactive. And certainly ...

Nvidia and AMD make the best graphics cards you can buy, but choosing between them isn’t easy. Unlike previous generations, AMD and Nvidia trade blows point-for-point in 2024, and picking a ...