Cancerwise

You may already be aware that swollen lymph nodes can be a sign of cancer. But did you also know that where they arise on the body can sometimes hint at which type of cancer is causing them? 

With oral cancers, for instance, swollen lymph nodes tend to appear first in the neck or under the jaw. Breast cancer, on the other hand, tends to affect the lymph nodes in the armpit, or axilla, first.

But what about supraclavicular...

Hematochezia and melena are two terms that describe different ways blood can appear in your stool.

Hematochezia is bright red blood that generally starts lower in the digestive tract.  Melena generally starts much higher up in the digestive tract and results in black, tarry stools.

Both melena and hematochezia can be signs of cancer somewhere along your gastrointestinal tract. But can they ever be a symptom of something...