Mediastinal and retroperitoneal fibrosis as a manifestation of breast cancer metastasis

Rationale: Mediastinal and retroperitoneal fibrosis as a manifestation of metastasis from malignancies is rare disease and particularly, cases of mediastinal fibrosis have been rarely reported. Patient concerns: A 60-year-old woman presented with dyspnea and bilateral flank pain. The patient had no previous history of malignancy. Diagnoses: A contrast-enhanced chest computed tomography scan revealed a left breast mass and infiltrative soft...