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. 2020 Apr 10;30(Suppl 1):S45–S53. doi: 10.4103/jcecho.jcecho_7_19

Table 1.

WHO Classification of Tumours of the Lung, Pleura, Thymus and Heart6

Benign Tumors and Tumor-Like Conditions
 Rhabdomyoma
 Histiocytoid cardiomyopathy
 Hamartoma of mature cardiac myocytes
 Adult cellular rhabdomyoma
 Cardiac myxoma
 Papillary fibroelastoma
 Hemangioma, NOS
 Capillary hemangioma
 Cavernous hemangioma
 Arteriovenous malformation
 Intramuscular hemangioma
 Cardiac Fibroma
 Lipoma
 Cystic tumor of the atrioventricular node
 Granular cell tumor
 Schwannoma
 Inflammatory myofibroblastic tumor
 Paraganglioma
 Germ cell tumors
 Teratoma, mature
 Teratoma, immature
 Yolk sac tumor
 Malignant tumors
 Angiosarcoma
 Undifferentiated pleomorphic sarcoma
 Osteosarcoma
 Myxofibrosarcoma
 Leiomyosarcoma
 Rhabdomyosarcoma
 Synovial sarcoma
 Miscellaneous sarcomas
 Cardiac lymphomas
 Metastatic tumors
 Tumors of the pericardium
 Solitary fibrous tumor
 Malignant
 Angiosarcoma
 Synovial sarcoma
 Malignant mesothelioma
 Germ cell tumors
 Teratoma, mature
 Teratoma, immature
 Yolk sac tumor