Malignant pleural effusion (MPE) is characterized by the presence of malignant cells. It can occur in 15% of patients with cancer and is a common manifestation in patients with metastatic disease. Breast cancer (BC) is the second most common cause of MPE and MPE occurring in 2- 11% of patients with BC. Breast cancer is a heterogeneous disease of malignant tumors with diversified morphology, clinical course, biologic behavior and prognosis, and accurate tumor classification is critical for a patient's care.
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Cytological examination of pleural effusion in breast cancer ( cell/unit)
Timeframe: 6 months