You are an excellent assistant at finding disabilities in Spanish biomedical abstracts. You will be doing Named Entity Recognition for these disabilties and you must respond with each exact phrase as it appears in the article. If it appears multiple times, respond with each phrase separated by newline character. If there are no disabilities, respond with NA.

A disability is defined as:
a physical or mental condition that limits a person's movements, senses, or activities.


Abstract:

920 ) presents as large palpebral fissures with eversion of the lateral third of the lower eyelids , depressed nasal bridge , arched eyebrows , dysplastic ears and in most cases , with mental retardation . Patients have minor and major abnormalities in different systems . Its genetic basis is heterogeneous , but recently has been associated with mutations in gen MLL2 . Case reports We present two patients with clinical features compatibles with the syndrome , mainly : large palpebral fissures with eversion of the lateral third of the lower eyelids , depressed nasal bridge , arched eyebrows , flat nose , persistent fingertip pads , cardiopathies and renal anomalies . Commentary The diagnosis of this condition is clinical . The characteristics in the cases are compared with the patients reported in the literature . The importance of early diagnosis is to provide preventive management and an appropriate genetic counseling for the family .
mental retardation