| PLF | perilymphatic fistula; posterior lung fiber |
|---|---|
| PNLA | percutaneous needle lung aspiration |
| RALPH | renal-anal-lung-polydactylyhamartoblastoma [syndrome] |
| RL | radial line; radiation laboratory; reduction level; renal dysplasia-limb defects [syndrome]; resisti... |
| RLC | residual lung capacity |