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A clinical study is performed involving subjects who are women ranging in age from 15 to 45 years who palpated breast 'lumps' on self-examination. The presence of breast mass lesions in these subjects was subsequently confirmed by physical examination and by mammography. All subjects had a needle biopsy or excision of their lesion performed, with a definitive pathologic diagnosis made. Which of the following diagnoses is likely to be the most frequently made in these subjects?

A Abscess

B Fibroadenoma

C Fibrocystic changes

D Lobular carcinoma in situ

E Infiltrating ductal carcinoma
Is it C?
About 40% of breast lumps turn out to be caused by fibrocystic changes.