<prompt> What is true regarding byssinosis?Dyspnea resolves after cessation of exposureSimilar to chronic bronchitis and emphysemaPresent as mediastinal fibrosisEosinophils are prominent in BAL  <response>: Byssinosis - due to cotton dust exposure - presents with Monday Chest tightness which resolves with cessation of cotton dust exposure. - Byssinosis presents as hypersensitivity pneumonitis with the honey-comb lung. - Lymphocytes and not eosinophils are present in bronchoalveolar lavage of hypersensitivity pneumonitis patients. 