| | Type | Immunohistochemistry | Incidence (among esophageal cancer) | Survival | Reference |
| | 1. Carcinosarcoma | Positive for cytokeratin, vimentin, smooth muscle actin, and p53 [10] | Approximately 6% | DFS* of 45 months | Nakagawa et al., [11] | | 2. Leiomyosarcoma | Strongly positive for SMA, negative for cytokeratin [12] | 0.5% | DFS* of 14 months, survival of 20 months | Adad et al., [12] | | 3. Liposarcoma | Positive only for S100 | Very rare; nearly 13 to 15 reported cases | Not mentioned | Garcia et al., [13] | | 4. Synovial sarcoma | Biphasic morphologic findings positive for vimentin, epithelial (EMA, CK7, AE1/3), bcl-2, and neuroectodermal (CD56, CD57, CD99)X;18 translocation on FISH [14] | Very rare; nearly 10 cases reported | Not known | Butori et al., [15] | | 5. Myxofibrosarcoma | Positive for CD34, smooth muscle actin, negative for S-100, C-kit, and desmin [4] | Very rare; 1 to 2 cases reported | Not known | Song and Miller, [4] | | 6. Ewing’s sarcoma | MIC2/CD99 positive | Very rare; 1 to 2 cases reported | Not known | Maesawa et al., [5] | | 7.Granulocytic sarcoma | Subepithelial dense deposits of myeloid cells histologically | Very rare | Not mentioned | Ibrarullah et al., [6] | | 8.Histiocytic sarcoma | Positive for CD68 and negative for CD1a and CD35, negative for Ki-1 antigen and T-cell and B-cell lineage markers [7] | Very rare | 1 month | Akishima et al., [7] | | 9. Schwannoma | Positive for S100 and vimentin; negative for CD117 | Very rare | Not known | Sanchez et al., [8] | | 10. Rhabdomyosarcoma | Intracytoplasmic cross striations histologically | Very rare;15 reported cases | Not known |
Batoroev and Nguyen, [9] | | 11. Epithelioid sarcoma | Positive for both epithelial and mesenchymal markers, such as cytokeratin, epithelial membrane antigen (EMA), vimentin and CD34 | Very rare | Not mentioned | Maggiani et al., [16] |
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