adenocarcinoma signet ring cell carcinoma https://www.malacards.org/card/signet_ring_cell_adenocarcinoma MESH:D018279 signet ring cell adenocarcinoma ICDO:8490/3 EFO:0000698 A usually aggressive, poorly differentiated invasive adenocarcinoma characterized by the presence of malignant glandular cells in which the nucleus is pressed to one side by the presence of intracytoplasmic mucus. It may arise from the stomach, small and large intestine, ampulla of Vater, appendix, gallbladder, pancreas, lung, bladder, breast, and prostate gland. MONDO:0005092 NCIT:C3774 signet ring cell carcinoma signet ring cell carcinoma (morphologic abnormality) UMLS:C0206696 DOID:3493 MEDGEN:61663 signet ring carcinoma NOS (morphologic abnormality)