| RLF | Retrolental fibroplasia |
|---|---|
| RLGS | Restriction Landmark Genomic Scanning |
| RLH | reactive lymphoid hyperplasia |
| RLL | right lower lobe |
| RLM | rat liver mitochondria |
| RLN | Recurrent laryngeal nerve |
| RLND | retroperitoneal lymph node dissection |
| RLNL | regional lymph node lymphocytes |
| RLO | Rickettsia-like organisms |
| RLP | Remnant like particle |