Texas [US], October 22 (ANI): Study revealed that one-fourth of recurrent oestrogen receptor-positive (ER+) breast cancers lack ER expression, they are resistant to endocrine treatment and can grow uncontrollably.
Texas [US], October 18 (ANI): The loss of ER expression in about one-fourth of recurrent oestrogen receptor-positive (ER+) breast cancer makes them immune to endocrine therapy and able to spread unchecked.
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