| 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 |
| SURG, Surg | surgery, surgical, or surgeon |
| SWI | sterile water for injection; stroke work index; surgical wound infection |