"Different" Malignant Neoplasms
Important
These modules are archived and should only be referenced for historical purposes.
Figure 25. Groups of Malignant Neoplasms Considered to Be Histologically "Different" for the Purpose of Defining Multiple Tumors (adapted from Berg, 1994) (24)
| Carcinomas | |
|---|---|
| Squamous carcinomas | M-805—M-808, M-812, M-813 |
| Basal cell carcinomas | M-809—M-811 |
| Adenocarcinomas | M-814, M-816, M-819—M-822, M-826—M-833 M-835—M-855, M-857, M-894 |
| Other specific carcinomas | M-803, M-804, M-815, M-817, M-818 M-823—M-825, M-834, M-856, M-858—M-867 |
| * Unspecified carcinomas | M-801, M-802 |
| 6. Sarcomas and soft tissue tumors | M-868—M-871, M-880—M-892, M-899, M-904 M-912, M-913, M-915—M-925, M-937, M-954—M-958 |
| Lymphomas | M-959—M-972 |
| Leukemia | M-980—M-994, M-995, M-996, M-998 |
| Kaposi sarcoma | M-914 |
| Mesothelioma | M-905 |
| Other specified types of cancer | M-872—M-879, M-893, M-895—M-898, M-900—M-903, M-906—M-911, M-926—M-936, M-938—M-953, M-973—M-975, M-976 |
| * Unspecified types of cancer | M-800, M-997 |
* NOS
Suggested Citation
SEER Training Modules: "Different" Malignant Neoplasms. U.S. National Institutes of Health, National Cancer Institute. Cited 08 January 2026. Available from: https://training.seer.cancer.gov.