Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Immune defect due to absence of thymus ?
    ### Response:
    What are the signs and symptoms of Immune defect due to absence of thymus? The Human Phenotype Ontology provides the following list of signs and symptoms for Immune defect due to absence of thymus. If the information is available, the table below includes how often the symptom is seen in people with this condition.
    