<prompt> All of the following statement are true regarding asbestosis except:Amphiboles are more pathogenicIt begins in a upper zoneCan cause mesotheliomaPulmonary hypeension may be seen  <response>: Asbestosis exists in 2 diff forms: - 1. Amphibole - it is straight fiber - goes directly into lungs 2. Chrysotile - Serpentile Appearance - gets trap in upper airway Asbestosis is heavy paicle, therefore disease begins with the base of the lung. Mesothelioma is most specific Carcinoma associated with asbestosis MC Ca associated - Bronchogenic Ca Initial manifestation - Pleural plaques then fibrosis 