###### C37 Malignant neoplasm of thymus
C38 Malignant neoplasm of heart, mediastinum and pleura
**_Excl.: mesothelioma (C45.-)_**

**C38.0 Heart**

Pericardium
**_Excl.: great vessels (C49.3)_**

**C38.1 Anterior mediastinum**

**C38.2 Posterior mediastinum**

**C38.3 Mediastinum, part unspecified**

**C38.4 Pleura**

**C38.8 Overlapping lesion of heart, mediastinum**

**and pleura**

[See note 5 at the beginning of this chapter]