Basically, BC stands for before Christ and AD stands for Anno Domini, Latin for in the year of our Lord.. The transition point between BC and AD marks the approximate time when God incarnate came down to earth to live with His creation.
The only area that is involved is the spot direcly behind my right ear lobe where it sinks in, not futher behind where the gland or lymph node is. I have gotten swollen lymph nodes before, this is very different. My inner ear, and throat and all other surrounding areas aren't in pain at all.
Lobes of the Lungs. There are three lobes in the right lung: 1) right upper lobe, (2) right middle lobe, and (3) right lower lobe. The right upper lobe occupies the upper 1/3 of the right lung. The right middle lobe is typically the smallest of the three, and appears triangular in shape, being narrowest near the hilum. The right lower lobe is the largest of all three lobes, separated from the others by the major fissure.