• Cough more in throat than chest,
• non productive cough largely b

# CT chest with BL bronchiectasis,

• lower lobe predominant
• No symptoms of bronchiectasis
• except dry cough,
• no recurrent pneumonias.
• Differential includes
  • recurrent aspiration, acid reflux.
  • Ig levels ok with prior work-up.
  • ANA negative so less likely autoimmune.
  • bacterial and NTM cultures)
  •  ANCA screen
  •  ABPA work-up:

  •