Thymus tumors

Tumors of the thymus click to access explanations in the original CAP template

Microscopic descriptions:

- Tumor histology and immunohistochemical studies:

- Histologic type (thymoma):
- Histologic type (thymomic carcinoma):
- Histologic type (thymic neuroendocrine tumors):

- Lymphatic and / or Vascular Invasion:
+ Perineural invasion:
- Treatment effect:

- Tumor extension: Tumor limited to the thymus Mediastinal fat Mediastinal pleura Pericardium (either partial or full thickness) Phrenic nerve Lung (specify lobe(s) involved): Brachiocephalic vein Lung, specify lobe: Brachiocephalic vein Chest wall Extrapericardial pulmonary artery Extrapericardial pulmonary veins Ascending aorta Aortic arch Descending aorta Arch vessels Intrapericardial pulmonary artery Myocardium Trachea Esophagus Other (specify): Cannot be assessed No applicable No evidence of primary tumor

Surgical margins of excision specimens:

- Surgical margins:

Lymph nodes examination:

- Number of regional lymph nodes examined:
- Number of regional lymph nodes involved:
- Extranodal extension:
- Size of largest metastatic deposit (mm), specify site:
- Size of largest lymph node involved (mm), specify site:

Distant Metastasis: Not applicable Not identified Non-regional lymph node(s) (specify): Pleural metastasis (specify): Pericardial metastasis (specify): Pleural nodule(s) (specify): Pericardial nodule(s) (specify): Intraparenchymal pulmonary nodule(s) (specify): Other (specify): Cannot be determined:

Pathologic Stage Classification (AJCC 9e):

- TNM Descriptors:	m (multiple primary tumors) r (recurrent) y (post treatment)
- Primary tumor (pT):
- Regional lymph nodes (pN):
- Distant metastasis (pM):

+ Additional pathologic findings:

Age-appropriate involution changes Fibrosis Follicular thymic hyperplasia Epithelial thymic hyperplasia True thymic hyperplasia Cystic changes in tumor Cystic changes in adjacent thymus

- Other (specify):

- Additional notes: