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Article

Complex Differential Diagnosis between Primary Breast Cancer and Breast Metastasis from EGFR-Mutated Lung Adenocarcinoma: Case Report and Literature Review.

Current oncology (Toronto, Ont.) - 31 Aug 2021

Valenza Carmine, Porta Francesca Maria, Rappa Alessandra, Guerini-Rocco Elena, Viale Giuseppe, Barberis Massimo, de Marinis Filippo, Curigliano Giuseppe, Catania Chiara

Abstract excerpt

We present a case of a woman with epidermal growth factor receptor (EGFR)-mutated lung adenocarcinoma who received gefitinib for 2 years and obtained a partial response. The patient then developed liver metastasis and a breast lesion, displaying high estrogen receptor (ER) expression and harboring the same EGFR mutation. From the radiological studies, it was not possible to make a differential diagnosis between...

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Identifiers

PMID: 34590588
DOI: 10.3390/curroncol28050292
PMCID: PMC8482094

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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