Lung Small Cell Carcinoma Molecular Subtypes

**Semantic type:** Neoplastic Process

**Definition:** A header term that refers to the molecular classification of lung small cell carcinomas based on the relative expression of four transcription factors: achaete-scute homolog 1 (ASCL1), neurogenic differentiation factor 1 (NEUROD1), yes-associated protein 1 (YAP1), and POU class 2 homeobox 3 (POU2F3).

**Synonyms:** - Lung Small Cell Carcinoma by Molecular Profile - Molecular Subtypes of Lung Small Cell Carcinoma - SCLC Molecular Subtypes - SCLC by Molecular Profile