Human Phenotype Ontology 
Grandparent Node:
Abnormality of the vasculature (HP:0002597)help
Grandparent Node:
Neoplasm by anatomical site (HP:0011793)help
Parent Node:
Abnormal lymphatic vessel morphology (HP:0100766)help
Parent Node:
Vascular neoplasm (HP:0100742)help
..Starting node
Lymphatic vessel neoplasm (HP:0012797)help
Term ID: 12797
Name: Lymphatic vessel neoplasm
Synonym: Lymphatic vessel tumor
Definition: A benign or malignant neoplasm arising from the lymphatic vessels.
Reference: HP:0012797
Genes and Diseases:
       Child Nodes:
........expandPulmonary lymphangiomyomatosis (HP:0012798) help

 Sister Nodes: 
..expandHemangioma (HP:0001028) help
InputHPO IDHPO termDistanceGeneGene id entrezDiseaseIdDiseaseNameDiseaseMIMConceptIDSourceTypical associationHGMD variantsClinVar variantsHGNC IDGeneMIM
HPO disease - gene - phenotype typical associations:
HPO disease - gene - phenotype less frequent non-typical associations:
HP:0012797HP:0012797Lymphatic vessel neoplasm0 CL E G H
HP:0012797HP:0012797Lymphatic vessel neoplasm1 CL E G H

Genes (2) :TSC1 TSC2

Diseases (3) :538 805 606690

Human Phenotype Ontology(HPO) is developed by the Human Phenotype Ontology Consortium. The version used here is June 2019 release.