Rare diseases · Sign or symptom
Lymphoma
Cancer of lymphatic system
HP:0002665
What it means
A cancer originating in lymphocytes and presenting as a solid tumor of lymhpoid cells.
In everyday care
Most people with this sign do not have a rare disease — it appears in common conditions far more often. These general reference pages cover the same topic:
Rare diseases that can present with this46
Very common80–99%
6Sometimes5–29%
27- 48,XXYY syndrome
- Acquired ichthyosis
- Activated PI3K-delta syndrome
- Alpha-heavy chain disease
- Autoimmune lymphoproliferative syndrome due to CTLA4 haploinsuffiency
- Autosomal dominant hyper-IgE syndrome due to STAT3 deficiency
- Baller-Gerold syndrome
- Bannayan-Riley-Ruvalcaba syndrome
and 19 more in this range
Rare1–4%
9- Acquired generalized lipodystrophy
- Combined immunodeficiency due to ZAP70 deficiency
- Dermatomyositis
- Dubowitz syndrome
- IgG4-related ophthalmic disease
- Polyneuropathy associated with IgM monoclonal gammopathy
- Recurrent infections associated with rare immunoglobulin isotypes deficiency
- Refractory celiac disease
and 1 more in this range
The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions, and Orphanet separately records 1 disease where this sign is specifically absent. A sign on this page is a conversation to have with a clinician, not a conclusion.
Part of the broader category
Tracking symptoms like this for someone? Eleplan keeps symptoms, diagnoses, medications and every specialist in one plan.
Start free with EleplanThis page uses the Human Phenotype Ontology (2026-06-23) — Human Phenotype Ontology Consortium, hpo.jax.org. Disease associations from Orphanet (INSERM), CC BY 4.0. Content is educational and is not medical advice.