Rare diseases · Sign or symptom

Large cell lung carcinoma

HP:0030360

What it means

A type of non-small cell lung carcinoma that is derived from undifferentiated malignant neoplasms originating from transformed epithelial cells in the lung, and which is differentiate from small-cell lung carcinoma by the larger size of the anaplastic cells, a higher cytoplasmic-to-nuclear size ratio, and a lack of salt-and-pepper appearance of the chromatin.

Rare diseases that can present with this1

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. A sign on this page is a conversation to have with a clinician, not a conclusion.

Part of the broader category

Large cell lung carcinoma

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This 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.