There are multiple definitions:

1. right upper lobe(English)

   • LLL, LUL, RML
   • Pulmonology

2. radioulnar ligament(English)

   • Anatomy

3. right upper [eye]lid(English)

   • may refer to an eyelid cystic lesion related to the tarsus
   • LLL
   • Anatomy, Ophthalmology
   • https://doi.org…opt.2019.01.004