A.C.difficileenterocolitis B.Celiac sprue C.Gastric ulcer due toH pylori infectio D.Shigellosis E.Villous atrophy 55.A 32-year-old woman has experienced dull pelvic pain for the Physical exam nation shows a right adnexal mass.An abdor al ultrasound scan shows a 7.5-cm cystic ovarian mass.The mass is surgically excised.The surface of the mass is smooth,and it is not adherent to surrounding pelvic structures.On gross examination the mass is cystic and filled with hair. Microscopically,there is a squamous epithelium,tall columnar glandular epithelium, rous connective tissue present. Which of the following is the MOST LIKELY diagnosis?( A.Adenocarcinoma B.Fibroadenoma C.Mesothelioma D.Rhabdomyosarcoma E.Teratoma 56.A 36-year-old woman has noticed a bloody discharge from the nipple of her right breast for the past 3 days.On physical examination.the skin of the breasts and no nasses are palpable.There is no axillary lym patier has regular menstrual cycles and i sing oral contraceptives. Excisional biopsy is MOST LIKELY to show which of the following lesions？( A.Acute mastitis B.Fibroadenoma C Intra aductal papilloma D Phylloides tumor E.Sclerosingadenosis 57.An 80-year-old female falls down the steps leading to the entrance of theA. C. difficileenterocolitis B. Celiac sprue C. Gastric ulcer due to H. pylori infection D. Shigellosis E. Villous atrophy 55. A 32-year-old woman has experienced dull pelvic pain for the past 2 months. Physical examination shows a right adnexal mass. An abdominal ultrasound scan shows a 7.5-cm cystic ovarian mass. The mass is surgically excised. The surface of the mass is smooth, and it is not adherent to surrounding pelvic structures. On gross examination the mass is cystic and filled with hair. Microscopically, there is a squamous epithelium, tall columnar glandular epithelium, cartilage, and fibrous connective tissue present. Which of the following is the MOST LIKELY diagnosis? ( ) A. Adenocarcinoma B. Fibroadenoma C. Mesothelioma D. Rhabdomyosarcoma E. Teratoma 56. A 36-year-old woman has noticed a bloody discharge from the nipple of her right breast for the past 3 days. On physical examination, the skin of the breasts appears normal, and no masses are palpable. There is no axillary lym￾phadenopathy. The patient has regular menstrual cycles and is using oral contraceptives. Excisional biopsy is MOST LIKELY to show which of the following lesions? ( ) A. Acute mastitis B. Fibroadenoma C. Intraductal papilloma D. Phylloides tumor E. Sclerosingadenosis 57. An 80-year-old female falls down the steps leading to the entrance of the