has part has part has modifier Macrocephaly Relative macrocephaly HP:0000257 HP:0001364 A relatively mild degree of macrocephaly in which the head circumference is not above two standard deviations from the mean, but appears dysproportionately large when other factors such as body stature are taken into account. SNOMEDCT_US:3961000119101 Macrocephaly, relative Relatively large head UMLS:C1849075 HP:0004482 Disproportionately large head mild intensity abnormal