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Although rare, breast CLL/SLL should be considered in the differential diagnosis of a breast mass. A high index of suspicion is needed to differentiate this neoplasm from more common breast carcinomas like solid variant of invasive lobular carcinoma., Competing Interests: All authors declare no conflict of interest., (© 2021 The Authors. Clinical Case Reports published by John Wiley & Sons Ltd.)

Primary melanoma of the antrum is a rare and aggressive disease. Diagnosis requires a correlation between the patient's history, tumor histopathology, and immunohistochemistry. Surgery and mutation-targeted treatments may improve overall survival., Competing Interests: None declared., (© 2021 The Authors. Clinical Case Reports published by John Wiley & Sons Ltd.)