Hadithcore
Sahih al-Bukhari, 4754
sahih

Narrated Al-Qasim:

Ibn `Abbas asked `Aisha's permission to enter. Al-Qasim then narrated the whole Hadith (as in 277) but did not mention: "Would that I had been forgotten and out of sight."

حَدَّثَنَا مُحَمَّدُ بْنُ الْمُثَنَّى، حَدَّثَنَا عَبْدُ الْوَهَّابِ بْنُ عَبْدِ الْمَجِيدِ، حَدَّثَنَا ابْنُ عَوْنٍ، عَنِ الْقَاسِمِ، أَنَّ ابْنَ عَبَّاسٍ ـ رضى الله عنه ـ اسْتَأْذَنَ عَلَى عَائِشَةَ نَحْوَهُ‏.‏ وَلَمْ يَذْكُرْ نِسْيًا مَنْسِيًّا‏.‏

References2 variants
In-Book Reference
Book 65, Hadith 276
USC-MSA web (English) reference
Vol. 6, Book 60, Hadith 278 (deprecated numbering scheme)