In this task, you are given a sentence in the English language. Your job is to translate the English sentence into the Spanish language.

A 41-year-old woman, with no relevant medical history, presented six months ago with dyspnea of ​​effort that has progressively increased. At auscultation showed basal crackles. The chest radiograph showed bilateral basal densities. Open lung biopsy was performed. In the histopathological study, a complex, heterogeneous lesion was observed, with altered areas that alternated with others preserved, with fibrosis of the alveolar septa and development of marked fibroblastic foci and pneumocytic type 2 hyperplasia. The affectation was fundamentally subpleural. Is the diagnosis of the lung injury?
Mujer de 41 años, sin antecedentes de interés, que presentó hace seis meses disnea de esfuerzo que ha aumentado progresivamente. A la auscultación mostraba crepitantes basales. En la radiografía de tórax se apreciaron densidades basales bilaterales. Se realizó biopsia pulmonar abierta. En el estudio histopatológico se observó una lesión compleja, heterogénea, con áreas alteradas que alternaban con otras preservadas, con fibrosis de los septos alveolares y desarrollo de marcados focos fibroblásticos e hiperplasia neumocitaria tipo 2. La afectación era fundamentalmente subpleural. ¿El diagnóstico de la lesión pulmonar es?