Sahih al-Bukhari 5733
Book 76: Medicine · Narrated by Abu Huraira
Arabic
حَدَّثَنَا أَبُو عَاصِمٍ، عَنْ مَالِكٍ، عَنْ سُمَىٍّ، عَنْ أَبِي صَالِحٍ، عَنْ أَبِي هُرَيْرَةَ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " الْمَبْطُونُ شَهِيدٌ، وَالْمَطْعُونُ شَهِيدٌ ".
English translation
Narrated Abu Huraira:The Prophet (ﷺ) said, "He (a Muslim) who dies of an abdominal disease is a martyr, and he who dies of plague is a martyr
Reference: Sahih al-Bukhari 5733, Book of Medicine. English translation by Dr. Muhammad Muhsin Khan.