2.
Histological type of lung cancer (WHO 2015)
| Histological type | ICDO | Histological type and subtype | ICDO |
| Epithelial tumor | Neuroendocrine tumor | ||
| Adenocarcinoma | 8140/3 | Small cell lung cancer | 8041/3 |
| Embryonic adenocarcinoma | 8250/3 | Mixed small cell carcinoma | 8045/3 |
| Acinar adenocarcinoma | 8551/3 | Large cell neuroendocrine carcinoma | 8013/3 |
| Papillary adenocarcinoma | 8265/3 | Mixed large cell nerve | 8013/3 |
| Solid adenocarcinoma | 8230/3 | Carcinoid | |
| Infiltrating mucous gland | 8253/3 | Typical carcinoid | 8240/3 |
| Mucus/non-mucus mixing | 8254/0 | Atypical carcinoid | 8249/3 |
| Globular adenocarcinoma | 8480/3 | Preinvasive lesion | |
| Fetal adenocarcinoma | 8333/3 | Diffuse idiopathic pulmonary nerve | 8040/0 |
| Intestinal adenocarcinoma | 8144/3 | Large cell carcinoma | 8012/3 |
| Microinvasive adenocarcinoma | Adenosquamous carcinoma | 8560/3 | |
| Non-mucinous | 8256/3 | Sarcomatoid carcinoma | |
| Mucinous | 8257/3 | Polymorphic cell carcinoma | 8022/3 |
| Preinvasive lesion | Spindle cell carcinoma | 8032/3 | |
| Atypical adenomatoid | 8250/0d | Giant cell carcinoma | 8031/3 |
| Adenocarcinoma in situ | Sarcoma | 8980/3 | |
| Non-mucinous | 8250/2 | Pulmonary cell tumor | 8972/3 |
| Mucinous | 8253/2 | Other unclassified carcinoid | |
| Squamous cell carcinoma | 8070/3 | Lymphoid epithelial carcinoma | 8082/3 |
| Keratinized squamous | 8071/3 | NUT cancer | 8023/3 |
| Non-keratinized scaly | 8072/3 | Salivary gland tumor | |
| Basal squamous | 8083/3 | Mucin epidermoid carcinoma | 8430/3 |
| Preinvasive lesion | Adenoid cystic carcinoma | 8200/3 | |
| Squamous cell carcinoma in situ | 8070/2 | Epithelial-myoepithelial carcinoma | 8562/3 |
| Pleomorphic adenoma | 8940/0 |