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What is Profuse expectoration of two months durations and clubbing may be seen and explain in detail?
Allergic bronchopulmonary aspergillosis represents a hypersensitivity reaction to Aspergillus fumigatus.Episodes of bronchial obstruction with mucous plugs leading to coughing 'fits',breathlessness,pulmonary infiltrates.It can result in the development of bronchiectasis.Clubbing can be seen in this case. Reference:Harrison's Medicine-18th edition,page no:1658;Davidson's Medicine-22nd edition,page no:697.