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Figure 2: A 41-year-old female patient (case 2) with multiple lymph node metastases from ARMM accompanied by symptoms such as repeated occurrence of blood in the stool. (a-d) Pretreatment positron emission tomography/computed tomography and pelvic magnetic resonance imaging showed AMRR with a tumor measuring approximately 3.8cm × 3.1 cm and a mesorectal lymph node metastasis measuring approximately 2.2 cm × 1.8 cm. (e-f) After four transcatheter arterial infusion treatments with pembrolizumab and four treatments with temozolomide, pelvic magnetic resonance imaging showed that the tumor measured approximately 2.3 × 1.2 cm and the mesorectal lymph node metastasis measured approximately 1.1 × 0.9 cm

Figure 2: A 41-year-old female patient (case 2) with multiple lymph node metastases from ARMM accompanied by symptoms such as repeated occurrence of blood in the stool. (a-d) Pretreatment positron emission tomography/computed tomography and pelvic magnetic resonance imaging showed AMRR with a tumor measuring approximately 3.8cm × 3.1 cm and a mesorectal lymph node metastasis measuring approximately 2.2 cm × 1.8 cm. (e-f) After four transcatheter arterial infusion treatments with pembrolizumab and four treatments with temozolomide, pelvic magnetic resonance imaging showed that the tumor measured approximately 2.3 × 1.2 cm and the mesorectal lymph node metastasis measured approximately 1.1 × 0.9 cm