There are multiple definitions:

1. ribosomal protein L(English)

   • Biochemistry

2. right posterolateral [coronary artery](English)

   • see also thoracotomy
   • LAO, PDA, RAO, RCA, RPD
   • Coronary circulation, Surgery
   • https://mmcts.org/tutorial/1198

3. recurrent pregnancy loss(English)

   • traditionally defined as three or more consecutive pregnancy losses before 20 weeks of gestation. This problem occurs in approximately 1% of all couples and is a frustrating problem for both the patient and physician. Among the numerous proposed causes, only parental karyotype abnormalities, antiphospholipid syndrome, uterine malformations, and cervical incompetence are universally accepted. Even after undertaking a complete evaluation, the cause remains uncertain in over 50% of cases. Regarding treatments only the efficacy of heparin and low-dose aspirin in women with antiphospholipid syndrome has been established with properly controlled trials
   • APS
   • Pregnancy
   • https://doi.org…55/s-2000-13733

4. retroperitoneal liposarcoma(English)

   • rare mesenchymal tumor with an annual incidence of 2.7 cases per million. Well-differentiated liposarcoma (WDL) and dedifferentiated liposarcoma (DDL) are the most common subtypes; aka RLS
   • DDL, WDL, DDLPS, RLS
   • Oncology
   • https://doi.org…59/cureus.19503
   • https://doi.org…surg.2015.00004