Revenue passenger miles. Revenue passenger miles (or RPM) measures demand for air transport. Itâs calculated as the number of revenue passengers multiplied by the total distance traveled. Itâs also called airline âtraffic.â. An increase in RPM is positive for an airline company. It means that more passengers are using their service.
Definition. An armpit lump is a swelling or bump under the arm. A lump in the armpit can have many causes. These include swollen lymph nodes, infections, or cysts.
Symptoms of Armpit Lumps. 1  Armpit lumps can be associated by various other side symptoms such as: 2  Feeling pain in joints as well as swollen in arms. 3  Inflammations in other nodes as well as symptoms of flu.  Rashes accompanied by bruises or 1  bleeding. Vomit together with loss of appetite.