needle biopsy, lesions, metastases, angiograms, barium enema, tumors, thyroglobulin, adenoma, arthrography, paracentesis, adrenalectomy, lymphatic tissue, polyps, immunohistochemistry, cystectomy, mammogram, prostate specific antigen, ascus, colonoscopy, angiography, flexible sigmoidoscopy, cytology, parathyroid, laparotomy, ultrasonography, thyroidectomy, enucleation, radiation therapy, histopathology, orchiectomy, nephrectomy, endometrial carcinoma, pcr, sigmoidoscopy, parathyroidectomy, prostatectomy, lymph node, amniocentesis, radical hysterectomy, axilla, fibroadenoma, lipomas, arteriography, hepatectomy, scintigraphy, colectomy, scans, varicocele, venography, colonoscopies, gram stain, pneumonectomy, carcinomas, pca, gastrectomy, mci, thymectomy, microdissection, hamartoma, radiographs, lumbar puncture, fibroma, hematuria, lumpectomy, osteoid, polypectomy, pap smear, keratoplasty, malignancy, oophorectomy, hysterectomies, prostate, chorionic villus sampling, catheterization, melanomas, guaiac, axillary node, cat scan, recanalization, abnormalities, spinal tap, echocardiography, pap test, thermogram, keloid, nodules, neoplasms, anal canal, calculi, cholecystectomy, recurrences, mastectomy, sonography, vascularization, neoplasia, teratoma, x rays, corneal graft, laparoscopic cholecystectomy, gastroscopy, mammography, haematuria, biopsy, aspirates, smears, lavage, washings, aspirate, implantations, roentgenograms, scrapings, dissections, resections, transplantations, carcinomata, explants, incisions, irrigations