thyroid follicular cell – thyroid hormone – thyroid-stimulating hormone – thyroidectomy – thyrotropin alfa – tiazofurin – time to progression – tin ethyl etiopurpurin – tin Sn 117m DTPA – tinidazole – tioguanine – tipifarnib – tirapazamine – tissue plasminogen activator – TLK286 – TM – Transplacental carcinogenesis – TNF – TNFerade – TNM staging system – TNP-470 – tocladesine – tomography – topical chemotherapy – topoisomerase inhibitor – topotecan – toremifene – tositumomab – total androgen blockade – total estrogen blockade – total nodal irradiation – total parenteral nutrition – total-body irradiation – TP-38 immunotoxin – tPA – TPA – trabecular cancer – transabdominal ultrasound – transcutaneous electric nerve stimulation – transdermal – transferrin-CRM107 – transitional cell – transitional cell carcinoma – transperineal biopsy – transrectal biopsy – transrectal ultrasound – transurethral biopsy – transurethral needle ablation – transurethral resection – transurethral resection of the prostate – transvaginal ultrasound – trastuzumab – Traumeel S – treosulfan – tretinoin – triacetyluridine – triamcinolone – Triapine – tributyrin – trichothiodystrophy – triiodothyronine – trimethoprim-sulfamethoxazole – trimetrexate glucuronate – triptorelin – troglitazone – tropisetron – troxacitabine – TRUS – tuberous sclerosis – tubulovillous adenoma – tumor – tumor antigen vaccine – tumor board review – tumor burden – tumor debulking – tumor infiltrating lymphocyte – tumor load – tumor marker – tumor model – tumor necrosis factor – tumor suppressor gene – tumor-derived – tumor-specific antigen – TUR – TURP – TVS – tympany – type I and type II errors – tyrosinase peptide – tyrosine kinase inhibitor – TZT-1027 U ubiquinone – UCN-01 – UGT1A1 – ultrasonogram – ultrasonography – ultrasound-guided biopsy—see ultrasound and biopsy – ultraviolet radiation therapy—see ultraviolet radiation and radiation therapy – uncontrolled study—see clinical trial – unconventional cancer treatments—see experimental cancer treatment – undifferentiated—see cellular differentiation – unilateral salpingo-oophorectomy—see oophorectomy – unresectable—see resection – unresectable gallbladder cancer—see gallbladder cancer – unsealed internal radiation therapy—see radiation therapy – upper GI series – urachus – uracil – urea nitrogen—see blood urea nitrogen – ureteroscopy – urine cytology—see urine – urokinase – urologic oncologist—see urology and oncologist – urothelium – ursodiol – UV radiation – UVA radiation – UVB radiation – uvula V vaccine adjuvant – vaccine therapy – vaccinia CEA vaccine – vaginal cancer – vaginal melanoma–vaginal tumors – valacyclovir – valdecoxib – valerian – Valeriana officinalis – Valerianae radix – valganciclovir – valproic acid – vancomycin – vapreotide