APL

noun2

1. •
   Initialism of acute promyelocytic leukemia.

   • The disease that stood at the pivotal crossroads of oncology was yet another rare variant of leukemia called acute promyelocytic leukemia—APL. — 2010
2. •
   Initialism of assistant patrol leader.

noun1

1. •
   Abbreviation of antiphospholipid antibody.