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M 56 A round nodular density in RLL

M 56 A round nodular density in RLL. Underlying pulmonary fibrosis (UIP). A cellular tumor and underlying irregular fibrosis. Lymphangitic spread. Lymphangitic spread. Lymphatic tumor emboli. Pleural penetration. CD 56. TTF-1. C-Kit.

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M 56 A round nodular density in RLL

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  1. M 56 A round nodular density in RLL

  2. Underlying pulmonary fibrosis (UIP)

  3. A cellular tumor and underlying irregular fibrosis

  4. Lymphangitic spread

  5. Lymphangitic spread

  6. Lymphatic tumor emboli

  7. Pleural penetration

  8. CD 56 TTF-1 C-Kit Histologically poorly differentiated carcinoma, large cell, with neuroendocrine differentiation Diagnosis:Poorly differentiated large cell neuroendocrine carcinoma in usual interstitial pneumonia

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