It looks like this time she is telling the truth.
She is 3rd house, mars, in her own 12th of institutes and hospitalisation.
Chiron exactly on the 3rd cusp shows she is suffering.
Her mother is 4th from the 3rd, ruled by mercury on the north node, in the hands of destiny.
Mercury is close to the end of its sign, end of life.
Her mother's 12th house of hospitalisation is ruled by Venus, who is in the mother's house, retrograde.
Moon in leo just separated from the square with Uranus, in your neighbour's 2nd of finances.
Uranus rules her 12th of hospitals. She might be having to pay for her mother's stay in the nursing home. Uranus also rules the mother's 8th house.
The mother's 6th of illness is ruled by Jupiter, in its fall, retrograde, approaching a conjunction with Saturn ruler of the mother's 8th house.
Jupiter is associated with tumours and cancer, as it represents expansion and a tumour is the irregular expansion of cells. Jupiter conjunct Saturn confirms that she does have a tumour.