| RLC | residual lung capacity |
|---|---|
| RU-1 | human embryonic lung fibroblasts |
| RV/TLC | residual volume/total lung capacity |
| SBLA | sarcoma, breast and brain tumors, leukemia, laryngeal and lung cancer, and adrenal cortical carcinom... |
| SCCL | small cell carcinoma of the lung |