Appetite stimulants, although efficacious in treating malnutrition in CF, should only be prescribed if decreased food intake secondary to inadequate appetite is the principal cause of the malnutrition and all other contributing factors have been assessed, ruled-out or treated. the use of several appetite stimulants used in CF and other diseases to improve appetite and maximize caloric intake
If you are asymptomatic. No need of further evaluation. Just follow. But if you have any gastro intestinal symptoms consult gastro- enetrologist. Actually it's difficult to evaluate small size sub centermeter lymph node. Sometime they having no significant. So need to clinicaly correlation.