melanoma.1B-2.gv

digraph {
  graph [rankdir = LR; splines=ortho; overlap=false]
  node [shape = box, fontname = Helvetica]

#  T1 [label = "CLINICAL STAGE"; width=2.5; shape=plaintext]
#  T2 [label = "WORKUP"; shape=plaintext]
#  T3 [label = "PRIMARY TREATMENT"; shape=plaintext]
#  T4 [label = "ADJUVANT TREATMENT"; shape=plaintext]

  S1B [label =<IB期癌<br ALIGN="LEFT"/>(厚度0.76-1mm，<br ALIGN="LEFT"/>無潰瘍，<br ALIGN="LEFT"/>mitotic rate ≥ 1/mm<sup>2</sup>)>; width=2.5]
  S2 [label =<II期癌<br ALIGN="LEFT"/>(厚度 &gt; 1mm, N0)<br ALIGN="LEFT"/>>; width=2.5]
  
  W2 [label = "- 病史詢問及理學檢查\l
- 不建議例行性影像檢查/實驗室檢查\l
- 為評估特定症狀/症候開立影像檢查(CT, PET/CT, MRI)"; height=2.5]
#  W3 [label = "Discuss and consider sentinel node biopsy"]

  Tx21 [label = "廣泛性切除\l"; height=1.5; width=2]
  Tx22 [label = "廣泛性切除\l與前哨淋巴結切片\l"; height=1.5; width=2]
  Tx3 [label = "臨床試驗\n/觀察\n"; height=3; width=2]
  
  N0 [label = "陰性前哨淋巴結"; height=1.2]
  N1 [label = "陽性前哨淋巴結"; height=1.2]
  FU1 [label = "追蹤"; width=3; height=3]
  FU2 [label = "參見 III 期癌流程"; width=3]

#  T1->T2->T3->T4 [style=invis]
#  T1->S1B->S2 [style=invis]  

  {S1B S2}->W2->Dis->Tx21->Tx3->FU1
        Dis->Tx22->N0->Tx3->FU1
            Tx22->N1->FU2

  Dis [label = "討論並提供前哨淋巴結切片"; height=2.5]

  {rank = same; S1B; S2}
  {rank = same; W2}
  {rank = same; Tx21; Tx22}
  {rank = same; FU1; FU2}
  {rank = same; N0; N1}
  
  

}