ICD-11 classes
02 Neoplasms
Malignant neoplasms, except primary neoplasms of lymphoid,...
Malignant neoplasms, stated or presumed to be primary, of...
Malignant neoplasms of breast
2C61 — Invasive carcinoma of breast
2C61.1 — Invasive lobular carcinoma of breast
ICD-11 2C61.1 — Invasive lobular carcinoma of breast
An infiltrating lobular adenocarcinoma. The malignant cells lack cohesion and are arranged individually or in a linear manner (Indian files), or as narrow trabeculae within the stroma. The malignant cells are usually smaller than those of ductal carcinoma, are less pleomorphic, and have fewer mitotic figures.
The diagnosis includes nothing.
The diagnosis excludes nothing.
It has no clarifying diagnoses.
The diagnosis is coded elsewhere:
- Invasive carcinoma of breast #19550