| SSOP | Second Surgical Opinion Program; sequence-specific oligonucleotide probe |
|---|---|
| SSR | site-specific recombination; somatosensory response; surgical supply room |
| sTNM | TNM staging of tumors as determined by surgical procedures |
| STOP | Study of Hypertension in the Elderly [Sweden] or Swedish Trial in Old Patients with Hypertension; su... |
| STSA | Southern Thoracic Surgical Association |