– sirolimus – small cell lung cancer – small intestine – smoldering leukemia – smoldering myeloma – SMT-487 – SnET2 – SNX 111 – soblidotin – sodium borocaptate – sodium salicylate – sodium sulfite – sodium thiosulfate – soft tissue sarcoma – solar keratosis – solid tumor – somatic cell – somatic mutation – somnolence syndrome – sonogram – sorivudine – specific immune cell – SPECT – SPF – spiculated mass – spindle cell cancer – spindle cell sarcoma – spiral CT scan – splenomegaly – sputum cytology – squalamine lactate – squamous cell – squamous cell carcinoma – squamous intraepithelial lesion – SR-29142 – SR-45023A – SR49059 – SSRI – staging – staurosporine – stavudine – stellate – stem cell – stem cell factor – stem cell transplantation – stent – stereotactic biopsy – stereotactic body radiation therapy – stereotactic external-beam radiation – stereotactic injection – stereotactic radiation therapy – stereotactic radiosurgery – stereotaxic radiosurgery – stereotaxis – steroid therapy – STI481 – STI571 – stoma – stomatitis – streptavidin – streptozocin – Stromagen – stromal tumor – strontium-89 – Sturge–Weber syndrome – SU011248 – SU101 – SU5416 – SU6668 – subcutaneous port – subependymal – suberoylanilide hydroxamic acid – subglottis – subset analysis – subtenon – sucralfate – sulfonamide – sulindac – superior vena cava – superior vena cava syndrome – supraclavicular lymph node – supraglottic laryngectomy – supraglottis – supratentorial – suramin – surgical oncologist – survival rate – symptom management – syncytium – syngeneic bone marrow transplantation – syngeneic stem cell transplantation – synovial membrane – synovial sarcoma – synthetic protegrin analog – synthetic retinoid – systemic chemotherapy – systemic disease – systemic lupus erythematosus – systemic therapy T T cell – T-3 – T-cell depletion – T-cell lymphoma – T138067 – T4N5 liposomal lotion – T900607 – TAC-101 – tacrolimus – TAG-72 antigen – talampanel – talaporfin sodium – tamoxifen – tariquidar – taurolidine – taxane – technetium tc 99m dextran – technetium tc 99m sulfur colloid – tegafur – teicoplanin – telangiectasia – temoporfin – temozolomide – teniposide – TENS – teratoma – terminal disease – tetanus toxoid – tetrahydrouridine – TG4010 – theophylline – thermal ablation – thermography – thiotepa – third-line therapy – thoracentesis – thoracoscopy – thoracotomy – thrombocyte – thrombocytopenia – thrombohemorrhagic event – thrombophlebitis – thrombopoietin – thymidine – thymidylate synthase inhibitor – thymoma – Thyrogen – thyroglobulin –